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55298559960 = 23325727342943
BaseRepresentation
bin110011100000000011…
…010000111111011000
312021201211222220110100
4303200003100333120
51401222412404320
641223120015400
73665231001300
oct634003207730
9167654886410
1055298559960
11214a7660626
12a873461560
1352a3713ac7
14296830c600
151689b23790
hexce00d0fd8

55298559960 has 288 divisors, whose sum is σ = 211931216640. Its totient is φ = 12466234368.

The previous prime is 55298559889. The next prime is 55298559983. The reversal of 55298559960 is 6995589255.

55298559960 is a `hidden beast` number, since 55 + 29 + 8 + 559 + 9 + 6 + 0 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1266249 + ... + 1309191.

It is an arithmetic number, because the mean of its divisors is an integer number (735872280).

Almost surely, 255298559960 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 55298559960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105965608320).

55298559960 is an abundant number, since it is smaller than the sum of its proper divisors (156632656680).

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

55298559960 is a wasteful number, since it uses less digits than its factorization.

55298559960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43047 (or 43033 counting only the distinct ones).

The product of its (nonzero) digits is 43740000, while the sum is 63.

The spelling of 55298559960 in words is "fifty-five billion, two hundred ninety-eight million, five hundred fifty-nine thousand, nine hundred sixty".