55115651610 has 32 divisors (see below), whose sum is σ = 146975071680. Its totient is φ = 14697507024.

The previous prime is 55115651603. The next prime is 55115651623. The reversal of 55115651610 is 1615651155.

It is a happy number.

55115651610 is a `hidden beast` number, since 551 + 1 + 56 + 51 + 6 + 1 + 0 = 666.

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, 102065752 + ... + 102066291.

It is an arithmetic number, because the mean of its divisors is an integer number (4592970990).

Almost surely, 2^55115651610 is an apocalyptic number.

55115651610 is an abundant number, since it is smaller than the sum of its proper divisors (91859420070).

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

55115651610 is a wasteful number, since it uses less digits than its factorization.

55115651610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204132059 (or 204132053 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 36.

The spelling of 55115651610 in words is "fifty-five billion, one hundred fifteen million, six hundred fifty-one thousand, six hundred ten".