51732497 has 12 divisors (see below), whose sum is σ = 56936880. Its totient is φ = 46869768.

The previous prime is 51732493. The next prime is 51732511. The reversal of 51732497 is 79423715.

It is not a de Polignac number, because 51732497 - 2² = 51732493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51732497.

It is not an unprimeable number, because it can be changed into a prime (51732493) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7478 + ... + 12624.

It is an arithmetic number, because the mean of its divisors is an integer number (4744740).

Almost surely, 2^51732497 is an apocalyptic number.

It is an amenable number.

51732497 is a deficient number, since it is larger than the sum of its proper divisors (5204383).

51732497 is a wasteful number, since it uses less digits than its factorization.

51732497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5212 (or 5189 counting only the distinct ones).

The product of its digits is 52920, while the sum is 38.

The square root of 51732497 is about 7192.5306394898. The cubic root of 51732497 is about 372.6099778865.

The spelling of 51732497 in words is "fifty-one million, seven hundred thirty-two thousand, four hundred ninety-seven".