55697092 has 12 divisors (see below), whose sum is σ = 106330896. Its totient is φ = 25316840.

The previous prime is 55697077. The next prime is 55697093. The reversal of 55697092 is 29079655.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55697093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 632878 + ... + 632965.

It is an arithmetic number, because the mean of its divisors is an integer number (8860908).

Almost surely, 2^55697092 is an apocalyptic number.

It is an amenable number.

55697092 is a deficient number, since it is larger than the sum of its proper divisors (50633804).

55697092 is a wasteful number, since it uses less digits than its factorization.

55697092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265858 (or 1265856 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 55697092 is about 7463.0484388084. The cubic root of 55697092 is about 381.8951769621.

The spelling of 55697092 in words is "fifty-five million, six hundred ninety-seven thousand, ninety-two".