55072976 has 40 divisors (see below), whose sum is σ = 122414784. Its totient is φ = 23512320.

The previous prime is 55072961. The next prime is 55072987. The reversal of 55072976 is 67927055.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34271 + ... + 35841.

Almost surely, 2^55072976 is an apocalyptic number.

55072976 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55072976 is an abundant number, since it is smaller than the sum of its proper divisors (67341808).

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

55072976 is a wasteful number, since it uses less digits than its factorization.

55072976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1899 (or 1893 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 41.

The square root of 55072976 is about 7421.1168970715. The cubic root of 55072976 is about 380.4633682616.

The spelling of 55072976 in words is "fifty-five million, seventy-two thousand, nine hundred seventy-six".