55660165510 has 32 divisors (see below), whose sum is σ = 103609562112. Its totient is φ = 21506415840.

The previous prime is 55660165507. The next prime is 55660165523. The reversal of 55660165510 is 1556106655.

It is a congruent number.

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, 5449 + ... + 333691.

It is an arithmetic number, because the mean of its divisors is an integer number (3237798816).

Almost surely, 2^55660165510 is an apocalyptic number.

55660165510 is a deficient number, since it is larger than the sum of its proper divisors (47949396602).

55660165510 is a wasteful number, since it uses less digits than its factorization.

55660165510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328828.

The product of its (nonzero) digits is 135000, while the sum is 40.

The spelling of 55660165510 in words is "fifty-five billion, six hundred sixty million, one hundred sixty-five thousand, five hundred ten".