55615606500 has 96 divisors (see below), whose sum is σ = 166329910656. Its totient is φ = 14429980800.

The previous prime is 55615606499. The next prime is 55615606531. The reversal of 55615606500 is 560651655.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 445542 + ... + 556541.

It is an arithmetic number, because the mean of its divisors is an integer number (1732603236).

Almost surely, 2^55615606500 is an apocalyptic number.

55615606500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55615606500 is an abundant number, since it is smaller than the sum of its proper divisors (110714304156).

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

55615606500 is a wasteful number, since it uses less digits than its factorization.

55615606500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1002142 (or 1002130 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 39.

The spelling of 55615606500 in words is "fifty-five billion, six hundred fifteen million, six hundred six thousand, five hundred".