55015360656 has 40 divisors (see below), whose sum is σ = 145428206880. Its totient is φ = 17911977216.

The previous prime is 55015360649. The next prime is 55015360663. The reversal of 55015360656 is 65606351055.

It is an interprime number because it is at equal distance from previous prime (55015360649) and next prime (55015360663).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13325301 + ... + 13329428.

It is an arithmetic number, because the mean of its divisors is an integer number (3635705172).

Almost surely, 2^55015360656 is an apocalyptic number.

It is an amenable number.

55015360656 is an abundant number, since it is smaller than the sum of its proper divisors (90412846224).

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

55015360656 is a wasteful number, since it uses less digits than its factorization.

55015360656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26654783 (or 26654777 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 55015360656 in words is "fifty-five billion, fifteen million, three hundred sixty thousand, six hundred fifty-six".