55316685 has 16 divisors (see below), whose sum is σ = 88623360. Its totient is φ = 29463360.

The previous prime is 55316671. The next prime is 55316687. The reversal of 55316685 is 58661355.

It is not a de Polignac number, because 55316685 - 2⁷ = 55316557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55316687) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12156 + ... + 16074.

It is an arithmetic number, because the mean of its divisors is an integer number (5538960).

Almost surely, 2^55316685 is an apocalyptic number.

It is an amenable number.

55316685 is a deficient number, since it is larger than the sum of its proper divisors (33306675).

55316685 is a wasteful number, since it uses less digits than its factorization.

55316685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868.

The product of its digits is 108000, while the sum is 39.

The square root of 55316685 is about 7437.5187394722. The cubic root of 55316685 is about 381.0237514557.

The spelling of 55316685 in words is "fifty-five million, three hundred sixteen thousand, six hundred eighty-five".