55660659 has 8 divisors (see below), whose sum is σ = 75472320. Its totient is φ = 36478056.

The previous prime is 55660607. The next prime is 55660681. The reversal of 55660659 is 95606655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55660659 - 2⁸ = 55660403 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55660659.

It is not an unprimeable number, because it can be changed into a prime (55660259) 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, 157057 + ... + 157410.

It is an arithmetic number, because the mean of its divisors is an integer number (9434040).

Almost surely, 2^55660659 is an apocalyptic number.

55660659 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

55660659 is a deficient number, since it is larger than the sum of its proper divisors (19811661).

55660659 is a wasteful number, since it uses less digits than its factorization.

55660659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314529.

The product of its (nonzero) digits is 243000, while the sum is 42.

The square root of 55660659 is about 7460.6071468748. The cubic root of 55660659 is about 381.8118894191.

The spelling of 55660659 in words is "fifty-five million, six hundred sixty thousand, six hundred fifty-nine".