55731692 has 12 divisors (see below), whose sum is σ = 97892256. Its totient is φ = 27762480.

The previous prime is 55731679. The next prime is 55731701. The reversal of 55731692 is 29613755.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24623 + ... + 26790.

It is an arithmetic number, because the mean of its divisors is an integer number (8157688).

Almost surely, 2^55731692 is an apocalyptic number.

It is an amenable number.

55731692 is a deficient number, since it is larger than the sum of its proper divisors (42160564).

55731692 is a wasteful number, since it uses less digits than its factorization.

55731692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51688 (or 51686 counting only the distinct ones).

The product of its digits is 56700, while the sum is 38.

The square root of 55731692 is about 7465.3661665052. The cubic root of 55731692 is about 381.9742405626.

The spelling of 55731692 in words is "fifty-five million, seven hundred thirty-one thousand, six hundred ninety-two".