51372893 has 16 divisors (see below), whose sum is σ = 61387200. Its totient is φ = 42372480.

The previous prime is 51372889. The next prime is 51372901. The reversal of 51372893 is 39827315.

It is a cyclic number.

It is not a de Polignac number, because 51372893 - 2² = 51372889 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51372863) 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, 5393 + ... + 11481.

It is an arithmetic number, because the mean of its divisors is an integer number (3836700).

Almost surely, 2^51372893 is an apocalyptic number.

It is an amenable number.

51372893 is a deficient number, since it is larger than the sum of its proper divisors (10014307).

51372893 is a wasteful number, since it uses less digits than its factorization.

51372893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172.

The product of its digits is 45360, while the sum is 38.

The square root of 51372893 is about 7167.4886117803. The cubic root of 51372893 is about 371.7446049248.

The spelling of 51372893 in words is "fifty-one million, three hundred seventy-two thousand, eight hundred ninety-three".