55007715 has 32 divisors (see below), whose sum is σ = 103311360. Its totient is φ = 24465024.

The previous prime is 55007657. The next prime is 55007723. The reversal of 55007715 is 51770055.

It is not a de Polignac number, because 55007715 - 2⁹ = 55007203 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3195 + ... + 10964.

It is an arithmetic number, because the mean of its divisors is an integer number (3228480).

Almost surely, 2^55007715 is an apocalyptic number.

55007715 is a deficient number, since it is larger than the sum of its proper divisors (48303645).

55007715 is a wasteful number, since it uses less digits than its factorization.

55007715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14211.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55007715 is about 7416.7186140503. The cubic root of 55007715 is about 380.3130269286.

The spelling of 55007715 in words is "fifty-five million, seven thousand, seven hundred fifteen".