51975937 has 16 divisors (see below), whose sum is σ = 57560832. Its totient is φ = 46632960.

The previous prime is 51975907. The next prime is 51975967. The reversal of 51975937 is 73957915.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51975907) and next prime (51975967).

It is a cyclic number.

It is not a de Polignac number, because 51975937 - 2²³ = 43587329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51975907) 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, 156862 + ... + 157192.

It is an arithmetic number, because the mean of its divisors is an integer number (3597552).

Almost surely, 2^51975937 is an apocalyptic number.

It is an amenable number.

51975937 is a deficient number, since it is larger than the sum of its proper divisors (5584895).

51975937 is a wasteful number, since it uses less digits than its factorization.

51975937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648.

The product of its digits is 297675, while the sum is 46.

The square root of 51975937 is about 7209.4338890096. The cubic root of 51975937 is about 373.1935328141.

The spelling of 51975937 in words is "fifty-one million, nine hundred seventy-five thousand, nine hundred thirty-seven".