55806495228 has 72 divisors (see below), whose sum is σ = 155838708480. Its totient is φ = 16696985760.

The previous prime is 55806495191. The next prime is 55806495247. The reversal of 55806495228 is 82259460855.

55806495228 is a `hidden beast` number, since 5 + 58 + 0 + 64 + 9 + 522 + 8 = 666.

It is a super-2 number, since 2×55806495228² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 860650 + ... + 923217.

Almost surely, 2^55806495228 is an apocalyptic number.

It is an amenable number.

55806495228 is an abundant number, since it is smaller than the sum of its proper divisors (100032213252).

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

55806495228 is a wasteful number, since it uses less digits than its factorization.

55806495228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783967 (or 1783962 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 54.

The spelling of 55806495228 in words is "fifty-five billion, eight hundred six million, four hundred ninety-five thousand, two hundred twenty-eight".