51537064 has 16 divisors (see below), whose sum is σ = 102316500. Its totient is φ = 24252672.

The previous prime is 51537061. The next prime is 51537067. The reversal of 51537064 is 46073515.

It is an interprime number because it is at equal distance from previous prime (51537061) and next prime (51537067).

It can be written as a sum of positive squares in 2 ways, for example, as 51408900 + 128164 = 7170^2 + 358^2 .

It is not an unprimeable number, because it can be changed into a prime (51537061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189339 + ... + 189610.

Almost surely, 2^51537064 is an apocalyptic number.

It is an amenable number.

51537064 is a deficient number, since it is larger than the sum of its proper divisors (50779436).

51537064 is a wasteful number, since it uses less digits than its factorization.

51537064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378972 (or 378968 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 51537064 is about 7178.9319539887. The cubic root of 51537064 is about 372.1401753305.

The spelling of 51537064 in words is "fifty-one million, five hundred thirty-seven thousand, sixty-four".