55292131660 has 12 divisors (see below), whose sum is σ = 116113476528. Its totient is φ = 22116852656.

The previous prime is 55292131649. The next prime is 55292131691. The reversal of 55292131660 is 6613129255.

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, 1382303272 + ... + 1382303311.

It is an arithmetic number, because the mean of its divisors is an integer number (9676123044).

Almost surely, 2^55292131660 is an apocalyptic number.

It is an amenable number.

55292131660 is an abundant number, since it is smaller than the sum of its proper divisors (60821344868).

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

55292131660 is a wasteful number, since it uses less digits than its factorization.

55292131660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2764606592 (or 2764606590 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The spelling of 55292131660 in words is "fifty-five billion, two hundred ninety-two million, one hundred thirty-one thousand, six hundred sixty".