55261502600 has 48 divisors (see below), whose sum is σ = 128523316020. Its totient is φ = 22097664000.

The previous prime is 55261502539. The next prime is 55261502651. The reversal of 55261502600 is 620516255.

It can be written as a sum of positive squares in 6 ways, for example, as 38660210884 + 16601291716 = 196622^2 + 128846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 620900 + ... + 704300.

Almost surely, 2^55261502600 is an apocalyptic number.

55261502600 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55261502600 is an abundant number, since it is smaller than the sum of its proper divisors (73261813420).

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

55261502600 is a wasteful number, since it uses less digits than its factorization.

55261502600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86730 (or 86721 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The spelling of 55261502600 in words is "fifty-five billion, two hundred sixty-one million, five hundred two thousand, six hundred".