51713955 has 24 divisors (see below), whose sum is σ = 91333008. Its totient is φ = 27059136.

The previous prime is 51713947. The next prime is 51713971. The reversal of 51713955 is 55931715.

51713955 is a `hidden beast` number, since 517 + 139 + 5 + 5 = 666.

51713955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51713955 - 2³ = 51713947 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8457 + ... + 13226.

It is an arithmetic number, because the mean of its divisors is an integer number (3805542).

Almost surely, 2^51713955 is an apocalyptic number.

51713955 is a deficient number, since it is larger than the sum of its proper divisors (39619053).

51713955 is a wasteful number, since it uses less digits than its factorization.

51713955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747 (or 21744 counting only the distinct ones).

The product of its digits is 23625, while the sum is 36.

The square root of 51713955 is about 7191.2415478831. The cubic root of 51713955 is about 372.5654555185.

The spelling of 51713955 in words is "fifty-one million, seven hundred thirteen thousand, nine hundred fifty-five".