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55078496 = 2511374229
BaseRepresentation
bin1101001000011…
…0111001100000
310211122021111022
43102012321200
5103100002441
65244305012
71236105464
oct322067140
9124567438
1055078496
11290aa320
1216542168
13b545b35
14745a4a4
154c7e84b
hex3486e60

55078496 has 48 divisors (see below), whose sum is σ = 121519440. Its totient is φ = 24353280.

The previous prime is 55078477. The next prime is 55078519. The reversal of 55078496 is 69487055.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10910 + ... + 15138.

It is an arithmetic number, because the mean of its divisors is an integer number (2531655).

Almost surely, 255078496 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 55078496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60759720).

55078496 is an abundant number, since it is smaller than the sum of its proper divisors (66440944).

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

55078496 is a wasteful number, since it uses less digits than its factorization.

55078496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287 (or 4279 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 55078496 is about 7421.4887994256. The cubic root of 55078496 is about 380.4760792001.

The spelling of 55078496 in words is "fifty-five million, seventy-eight thousand, four hundred ninety-six".

Divisors: 1 2 4 8 11 16 22 32 37 44 74 88 148 176 296 352 407 592 814 1184 1628 3256 4229 6512 8458 13024 16916 33832 46519 67664 93038 135328 156473 186076 312946 372152 625892 744304 1251784 1488608 1721203 2503568 3442406 5007136 6884812 13769624 27539248 55078496