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55788429008 = 2413268213601
BaseRepresentation
bin110011111101001111…
…111101111011010000
312022222222202211110102
4303331033331323100
51403223314212013
641343455351532
74013326552034
oct637517757320
9168888684412
1055788429008
1121729128484
12a98b5225a8
13535105c850
1429b33c81c4
1516b7b39d58
hexcfd3fded0

55788429008 has 20 divisors (see below), whose sum is σ = 116404703268. Its totient is φ = 25748505600.

The previous prime is 55788429007. The next prime is 55788429013. The reversal of 55788429008 is 80092488755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 36218657344 + 19569771664 = 190312^2 + 139892^2 .

It is a super-2 number, since 2×557884290082 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55788429007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134106593 + ... + 134107008.

Almost surely, 255788429008 is an apocalyptic number.

It is an amenable number.

55788429008 is an abundant number, since it is smaller than the sum of its proper divisors (60616274260).

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

55788429008 is a wasteful number, since it uses less digits than its factorization.

55788429008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268213622 (or 268213616 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 56.

The spelling of 55788429008 in words is "fifty-five billion, seven hundred eighty-eight million, four hundred twenty-nine thousand, eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 268213601 536427202 1072854404 2145708808 3486776813 4291417616 6973553626 13947107252 27894214504 55788429008