51582713 has 16 divisors (see below), whose sum is σ = 63724416. Its totient is φ = 40659840.

The previous prime is 51582689. The next prime is 51582719. The reversal of 51582713 is 31728515.

It is not a de Polignac number, because 51582713 - 2¹⁴ = 51566329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51582713.

It is not an unprimeable number, because it can be changed into a prime (51582719) 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, 27578 + ... + 29388.

It is an arithmetic number, because the mean of its divisors is an integer number (3982776).

Almost surely, 2^51582713 is an apocalyptic number.

It is an amenable number.

51582713 is a deficient number, since it is larger than the sum of its proper divisors (12141703).

51582713 is a wasteful number, since it uses less digits than its factorization.

51582713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2144.

The product of its digits is 8400, while the sum is 32.

The square root of 51582713 is about 7182.1106229297. The cubic root of 51582713 is about 372.2500174024.

The spelling of 51582713 in words is "fifty-one million, five hundred eighty-two thousand, seven hundred thirteen".