55022715 has 48 divisors (see below), whose sum is σ = 107658720. Its totient is φ = 25751040.

The previous prime is 55022701. The next prime is 55022741. The reversal of 55022715 is 51722055.

It is a happy number.

It is not a de Polignac number, because 55022715 - 2⁴ = 55022699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12439 + ... + 16271.

It is an arithmetic number, because the mean of its divisors is an integer number (2242890).

Almost surely, 2^55022715 is an apocalyptic number.

55022715 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55022715 is a deficient number, since it is larger than the sum of its proper divisors (52636005).

55022715 is a wasteful number, since it uses less digits than its factorization.

55022715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3884 (or 3881 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55022715 is about 7417.7297739942. The cubic root of 55022715 is about 380.3475928493.

The spelling of 55022715 in words is "fifty-five million, twenty-two thousand, seven hundred fifteen".