55761166212 has 24 divisors (see below), whose sum is σ = 130340503776. Its totient is φ = 18554038848.

The previous prime is 55761166211. The next prime is 55761166229. The reversal of 55761166212 is 21266116755.

It is not an unprimeable number, because it can be changed into a prime (55761166211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120033 + ... + 4133544.

It is an arithmetic number, because the mean of its divisors is an integer number (5430854324).

Almost surely, 2^55761166212 is an apocalyptic number.

It is an amenable number.

55761166212 is an abundant number, since it is smaller than the sum of its proper divisors (74579337564).

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

55761166212 is a wasteful number, since it uses less digits than its factorization.

55761166212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254147 (or 8254145 counting only the distinct ones).

The product of its digits is 151200, while the sum is 42.

The spelling of 55761166212 in words is "fifty-five billion, seven hundred sixty-one million, one hundred sixty-six thousand, two hundred twelve".