55692650 has 48 divisors (see below), whose sum is σ = 113992704. Its totient is φ = 20114880.

The previous prime is 55692643. The next prime is 55692677. The reversal of 55692650 is 5629655.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29639 + ... + 31461.

It is an arithmetic number, because the mean of its divisors is an integer number (2374848).

Almost surely, 2^55692650 is an apocalyptic number.

55692650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55692650 is an abundant number, since it is smaller than the sum of its proper divisors (58300054).

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

55692650 is a wasteful number, since it uses less digits than its factorization.

55692650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895 (or 1890 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 55692650 is about 7462.7508333054. The cubic root of 55692650 is about 381.8850242868.

The spelling of 55692650 in words is "fifty-five million, six hundred ninety-two thousand, six hundred fifty".