55655510515 has 64 divisors (see below), whose sum is σ = 78941952000. Its totient is φ = 37241881600.

The previous prime is 55655510501. The next prime is 55655510527. The reversal of 55655510515 is 51501555655.

It is not a de Polignac number, because 55655510515 - 2²⁷ = 55521292787 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10305786 + ... + 10311184.

It is an arithmetic number, because the mean of its divisors is an integer number (1233468000).

Almost surely, 2^55655510515 is an apocalyptic number.

55655510515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55655510515 is a deficient number, since it is larger than the sum of its proper divisors (23286441485).

55655510515 is a wasteful number, since it uses less digits than its factorization.

55655510515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5748.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 55655510515 in words is "fifty-five billion, six hundred fifty-five million, five hundred ten thousand, five hundred fifteen".