55593660 has 24 divisors (see below), whose sum is σ = 155662416. Its totient is φ = 14824960.

The previous prime is 55593619. The next prime is 55593679. The reversal of 55593660 is 6639555.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463221 + ... + 463340.

It is an arithmetic number, because the mean of its divisors is an integer number (6485934).

Almost surely, 2^55593660 is an apocalyptic number.

It is an amenable number.

55593660 is an abundant number, since it is smaller than the sum of its proper divisors (100068756).

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

55593660 is a wasteful number, since it uses less digits than its factorization.

55593660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926573 (or 926571 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 39.

The square root of 55593660 is about 7456.1156106917. The cubic root of 55593660 is about 381.6586316478.

The spelling of 55593660 in words is "fifty-five million, five hundred ninety-three thousand, six hundred sixty".