51937715 has 4 divisors (see below), whose sum is σ = 62325264. Its totient is φ = 41550168.

The previous prime is 51937709. The next prime is 51937723. The reversal of 51937715 is 51773915.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51937715 - 2¹² = 51933619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5193767 + ... + 5193776.

It is an arithmetic number, because the mean of its divisors is an integer number (15581316).

Almost surely, 2^51937715 is an apocalyptic number.

51937715 is a deficient number, since it is larger than the sum of its proper divisors (10387549).

51937715 is a wasteful number, since it uses less digits than its factorization.

51937715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10387548.

The product of its digits is 33075, while the sum is 38.

The square root of 51937715 is about 7206.7825692191. The cubic root of 51937715 is about 373.1020308486.

The spelling of 51937715 in words is "fifty-one million, nine hundred thirty-seven thousand, seven hundred fifteen".