55656506 has 8 divisors (see below), whose sum is σ = 84423060. Its totient is φ = 27515488.

The previous prime is 55656499. The next prime is 55656511. The reversal of 55656506 is 60565655.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 53421481 + 2235025 = 7309^2 + 1495^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 55656506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156161 + ... + 156516.

Almost surely, 2^55656506 is an apocalyptic number.

55656506 is a deficient number, since it is larger than the sum of its proper divisors (28766554).

55656506 is a wasteful number, since it uses less digits than its factorization.

55656506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312768.

The product of its (nonzero) digits is 135000, while the sum is 38.

The square root of 55656506 is about 7460.3288131288. The cubic root of 55656506 is about 381.8023931594.

The spelling of 55656506 in words is "fifty-five million, six hundred fifty-six thousand, five hundred six".