51976723 has 16 divisors (see below), whose sum is σ = 56580480. Its totient is φ = 47585664.

The previous prime is 51976693. The next prime is 51976733. The reversal of 51976723 is 32767915.

It is a cyclic number.

It is not a de Polignac number, because 51976723 - 2²⁵ = 18422291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51976733) 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, 92040 + ... + 92602.

It is an arithmetic number, because the mean of its divisors is an integer number (3536280).

Almost surely, 2^51976723 is an apocalyptic number.

51976723 is a deficient number, since it is larger than the sum of its proper divisors (4603757).

51976723 is a wasteful number, since it uses less digits than its factorization.

51976723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738.

The product of its digits is 79380, while the sum is 40.

The square root of 51976723 is about 7209.4884007119. The cubic root of 51976723 is about 373.1954139964.

The spelling of 51976723 in words is "fifty-one million, nine hundred seventy-six thousand, seven hundred twenty-three".