55684715 has 8 divisors (see below), whose sum is σ = 68082768. Its totient is φ = 43707040.

The previous prime is 55684709. The next prime is 55684729. The reversal of 55684715 is 51748655.

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

It is not a de Polignac number, because 55684715 - 2²⁰ = 54636139 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104801 + ... + 105330.

It is an arithmetic number, because the mean of its divisors is an integer number (8510346).

Almost surely, 2^55684715 is an apocalyptic number.

55684715 is a deficient number, since it is larger than the sum of its proper divisors (12398053).

55684715 is a wasteful number, since it uses less digits than its factorization.

55684715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210189.

The product of its digits is 168000, while the sum is 41.

The square root of 55684715 is about 7462.2191739455. The cubic root of 55684715 is about 381.8668866355.

The spelling of 55684715 in words is "fifty-five million, six hundred eighty-four thousand, seven hundred fifteen".