51712373 has 4 divisors (see below), whose sum is σ = 52367040. Its totient is φ = 51057708.

The previous prime is 51712363. The next prime is 51712391. The reversal of 51712373 is 37321715.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51712373 - 2⁸ = 51712117 is a prime.

It is a super-2 number, since 2×51712373² = 5348339042582258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51712363) 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, 327215 + ... + 327372.

It is an arithmetic number, because the mean of its divisors is an integer number (13091760).

Almost surely, 2^51712373 is an apocalyptic number.

It is an amenable number.

51712373 is a deficient number, since it is larger than the sum of its proper divisors (654667).

51712373 is an equidigital number, since it uses as much as digits as its factorization.

51712373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654666.

The product of its digits is 4410, while the sum is 29.

The square root of 51712373 is about 7191.1315521272. The cubic root of 51712373 is about 372.5616563856.

The spelling of 51712373 in words is "fifty-one million, seven hundred twelve thousand, three hundred seventy-three".