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55111054224 = 2433744217019
BaseRepresentation
bin110011010100110111…
…111111001110010000
312021020210011121221110
4303110313333032100
51400331412213344
641152341053320
73660463142322
oct632467771620
9167223147843
1055111054224
1121410831806
12a8206b7240
135273912775
14294b45d612
1516784363b9
hexcd4dff390

55111054224 has 80 divisors (see below), whose sum is σ = 146271977280. Its totient is φ = 17867266560.

The previous prime is 55111054213. The next prime is 55111054231. The reversal of 55111054224 is 42245011155.

It is a junction number, because it is equal to n+sod(n) for n = 55111054191 and 55111054200.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7848187 + ... + 7855205.

It is an arithmetic number, because the mean of its divisors is an integer number (1828399716).

Almost surely, 255111054224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55111054224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73135988640).

55111054224 is an abundant number, since it is smaller than the sum of its proper divisors (91160923056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55111054224 is a wasteful number, since it uses less digits than its factorization.

55111054224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11488 (or 11482 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 30.

Adding to 55111054224 its reverse (42245011155), we get a palindrome (97356065379).

The spelling of 55111054224 in words is "fifty-five billion, one hundred eleven million, fifty-four thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 4421 7019 8842 13263 14038 17684 21057 26526 28076 35368 42114 53052 56152 70736 84228 106104 112304 163577 168456 212208 259703 327154 336912 490731 519406 654308 779109 981462 1038812 1308616 1558218 1962924 2077624 2617232 3116436 3925848 4155248 6232872 7851696 12465744 31030999 62061998 93092997 124123996 186185994 248247992 372371988 496495984 744743976 1148146963 1489487952 2296293926 3444440889 4592587852 6888881778 9185175704 13777763556 18370351408 27555527112 55111054224