55706715 has 24 divisors (see below), whose sum is σ = 98807280. Its totient is φ = 29018304.

The previous prime is 55706701. The next prime is 55706723. The reversal of 55706715 is 51760755.

It is not a de Polignac number, because 55706715 - 2⁴ = 55706699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55706715.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12460 + ... + 16329.

It is an arithmetic number, because the mean of its divisors is an integer number (4116970).

Almost surely, 2^55706715 is an apocalyptic number.

55706715 is a deficient number, since it is larger than the sum of its proper divisors (43100565).

55706715 is a wasteful number, since it uses less digits than its factorization.

55706715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28843 (or 28840 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55706715 is about 7463.6931207010. The cubic root of 55706715 is about 381.9171695266.

The spelling of 55706715 in words is "fifty-five million, seven hundred six thousand, seven hundred fifteen".