55316502 has 24 divisors (see below), whose sum is σ = 120480984. Its totient is φ = 18342144.

The previous prime is 55316483. The next prime is 55316557. The reversal of 55316502 is 20561355.

55316502 is a `hidden beast` number, since 5 + 5 + 3 + 1 + 650 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4488 + ... + 11435.

It is an arithmetic number, because the mean of its divisors is an integer number (5020041).

Almost surely, 2^55316502 is an apocalyptic number.

55316502 is an abundant number, since it is smaller than the sum of its proper divisors (65164482).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55316502 is a wasteful number, since it uses less digits than its factorization.

55316502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16124 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 55316502 is about 7437.5064369720. The cubic root of 55316502 is about 381.0233312846.

Adding to 55316502 its reverse (20561355), we get a palindrome (75877857).

The spelling of 55316502 in words is "fifty-five million, three hundred sixteen thousand, five hundred two".