55277976 has 32 divisors (see below), whose sum is σ = 148826160. Its totient is φ = 17008512.

The previous prime is 55277941. The next prime is 55277977. The reversal of 55277976 is 67977255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55277977) 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, 88275 + ... + 88898.

Almost surely, 2^55277976 is an apocalyptic number.

It is an amenable number.

55277976 is an abundant number, since it is smaller than the sum of its proper divisors (93548184).

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

55277976 is a wasteful number, since it uses less digits than its factorization.

55277976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177195 (or 177191 counting only the distinct ones).

The product of its digits is 926100, while the sum is 48.

The square root of 55277976 is about 7434.9160049055. The cubic root of 55277976 is about 380.9348542869.

The spelling of 55277976 in words is "fifty-five million, two hundred seventy-seven thousand, nine hundred seventy-six".