51710693 has 4 divisors (see below), whose sum is σ = 53959008. Its totient is φ = 49462380.

The previous prime is 51710689. The next prime is 51710731. The reversal of 51710693 is 39601715.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39601715 = 5 ⋅7920343.

It is a cyclic number.

It is not a de Polignac number, because 51710693 - 2² = 51710689 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 (51710623) 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, 1124123 + ... + 1124168.

It is an arithmetic number, because the mean of its divisors is an integer number (13489752).

Almost surely, 2^51710693 is an apocalyptic number.

It is an amenable number.

51710693 is a deficient number, since it is larger than the sum of its proper divisors (2248315).

51710693 is a wasteful number, since it uses less digits than its factorization.

51710693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248314.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 51710693 is about 7191.0147406329. The cubic root of 51710693 is about 372.5576218234.

The spelling of 51710693 in words is "fifty-one million, seven hundred ten thousand, six hundred ninety-three".