51732087 has 32 divisors (see below), whose sum is σ = 79042560. Its totient is φ = 29808000.

The previous prime is 51732077. The next prime is 51732097. The reversal of 51732087 is 78023715.

It is an interprime number because it is at equal distance from previous prime (51732077) and next prime (51732097).

It is not a de Polignac number, because 51732087 - 2⁸ = 51731831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51732067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61989 + ... + 62817.

It is an arithmetic number, because the mean of its divisors is an integer number (2470080).

Almost surely, 2^51732087 is an apocalyptic number.

51732087 is a deficient number, since it is larger than the sum of its proper divisors (27310473).

51732087 is a wasteful number, since it uses less digits than its factorization.

51732087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 51732087 is about 7192.5021376431. The cubic root of 51732087 is about 372.6089935247.

It can be divided in two parts, 5173 and 2087, that added together give a triangular number (7260 = T₁₂₀).

The spelling of 51732087 in words is "fifty-one million, seven hundred thirty-two thousand, eighty-seven".