55769274 has 24 divisors (see below), whose sum is σ = 131818752. Its totient is φ = 16899720.

The previous prime is 55769261. The next prime is 55769281. The reversal of 55769274 is 47296755.

55769274 is a `hidden beast` number, since 5 + 576 + 9 + 2 + 74 = 666.

It is a super-2 number, since 2×55769274² = 6220423844974152, which contains 22 as substring.

It is a Curzon number.

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, 140634 + ... + 141029.

It is an arithmetic number, because the mean of its divisors is an integer number (5492448).

Almost surely, 2^55769274 is an apocalyptic number.

55769274 is an abundant number, since it is smaller than the sum of its proper divisors (76049478).

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

55769274 is a wasteful number, since it uses less digits than its factorization.

55769274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281682 (or 281679 counting only the distinct ones).

The product of its digits is 529200, while the sum is 45.

The square root of 55769274 is about 7467.8828325035. The cubic root of 55769274 is about 382.0600811907.

The spelling of 55769274 in words is "fifty-five million, seven hundred sixty-nine thousand, two hundred seventy-four".