51692575 has 12 divisors (see below), whose sum is σ = 69926328. Its totient is φ = 37594400.

The previous prime is 51692567. The next prime is 51692617. The reversal of 51692575 is 57529615.

It is not a de Polignac number, because 51692575 - 2³ = 51692567 is a prime.

It is a Duffinian number.

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, 93712 + ... + 94261.

It is an arithmetic number, because the mean of its divisors is an integer number (5827194).

Almost surely, 2^51692575 is an apocalyptic number.

51692575 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51692575 is a deficient number, since it is larger than the sum of its proper divisors (18233753).

51692575 is a wasteful number, since it uses less digits than its factorization.

51692575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187994 (or 187989 counting only the distinct ones).

The product of its digits is 94500, while the sum is 40.

The square root of 51692575 is about 7189.7548636932. The cubic root of 51692575 is about 372.5141054371.

It can be divided in two parts, 5169 and 2575, that added together give a square (7744 = 88²).

The spelling of 51692575 in words is "fifty-one million, six hundred ninety-two thousand, five hundred seventy-five".