55662215 has 32 divisors (see below), whose sum is σ = 79349760. Its totient is φ = 36691200.

The previous prime is 55662203. The next prime is 55662221. The reversal of 55662215 is 51226655.

55662215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55662215 - 2⁶ = 55662151 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113120 + ... + 113610.

It is an arithmetic number, because the mean of its divisors is an integer number (2479680).

Almost surely, 2^55662215 is an apocalyptic number.

55662215 is a deficient number, since it is larger than the sum of its proper divisors (23687545).

55662215 is a wasteful number, since it uses less digits than its factorization.

55662215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 18000, while the sum is 32.

The square root of 55662215 is about 7460.7114272032. The cubic root of 55662215 is about 381.8154472507.

The spelling of 55662215 in words is "fifty-five million, six hundred sixty-two thousand, two hundred fifteen".