51364317 has 16 divisors (see below), whose sum is σ = 70315520. Its totient is φ = 33333552.

The previous prime is 51364309. The next prime is 51364321. The reversal of 51364317 is 71346315.

It is not a de Polignac number, because 51364317 - 2³ = 51364309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56178 + ... + 57084.

It is an arithmetic number, because the mean of its divisors is an integer number (4394720).

Almost surely, 2^51364317 is an apocalyptic number.

It is an amenable number.

51364317 is a deficient number, since it is larger than the sum of its proper divisors (18951203).

51364317 is a wasteful number, since it uses less digits than its factorization.

51364317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392.

The product of its digits is 7560, while the sum is 30.

The square root of 51364317 is about 7166.8903298432. The cubic root of 51364317 is about 371.7239178856.

It can be divided in two parts, 51364 and 317, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 51364317 in words is "fifty-one million, three hundred sixty-four thousand, three hundred seventeen".