55693320 has 64 divisors (see below), whose sum is σ = 167598720. Its totient is φ = 14805504.

The previous prime is 55693307. The next prime is 55693321. The reversal of 55693320 is 2339655.

It is not an unprimeable number, because it can be changed into a prime (55693321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57964 + ... + 58916.

It is an arithmetic number, because the mean of its divisors is an integer number (2618730).

Almost surely, 2^55693320 is an apocalyptic number.

It is an amenable number.

55693320 is an abundant number, since it is smaller than the sum of its proper divisors (111905400).

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

55693320 is a wasteful number, since it uses less digits than its factorization.

55693320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 55693320 is about 7462.7957227838. The cubic root of 55693320 is about 381.8865556794.

The spelling of 55693320 in words is "fifty-five million, six hundred ninety-three thousand, three hundred twenty".