55660534 has 16 divisors (see below), whose sum is σ = 85959216. Its totient is φ = 27014400.

The previous prime is 55660513. The next prime is 55660537. The reversal of 55660534 is 43506655.

It is a self number, because there is not a number n which added to its sum of digits gives 55660534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55660537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15694 + ... + 18910.

It is an arithmetic number, because the mean of its divisors is an integer number (5372451).

Almost surely, 2^55660534 is an apocalyptic number.

55660534 is a deficient number, since it is larger than the sum of its proper divisors (30298682).

55660534 is a wasteful number, since it uses less digits than its factorization.

55660534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471.

The product of its (nonzero) digits is 54000, while the sum is 34.

The square root of 55660534 is about 7460.5987695359. The cubic root of 55660534 is about 381.8116036007.

The spelling of 55660534 in words is "fifty-five million, six hundred sixty thousand, five hundred thirty-four".