55415525552 has 20 divisors (see below), whose sum is σ = 113018506680. Its totient is φ = 26249459328.

The previous prime is 55415525537. The next prime is 55415525563. The reversal of 55415525552 is 25552551455.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91143653 + ... + 91144260.

It is an arithmetic number, because the mean of its divisors is an integer number (5650925334).

Almost surely, 2^55415525552 is an apocalyptic number.

It is an amenable number.

55415525552 is an abundant number, since it is smaller than the sum of its proper divisors (57602981128).

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

55415525552 is a wasteful number, since it uses less digits than its factorization.

55415525552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182287940 (or 182287934 counting only the distinct ones).

The product of its digits is 1250000, while the sum is 44.

The spelling of 55415525552 in words is "fifty-five billion, four hundred fifteen million, five hundred twenty-five thousand, five hundred fifty-two".