51679937 has 8 divisors (see below), whose sum is σ = 53020704. Its totient is φ = 50345568.

The previous prime is 51679921. The next prime is 51679939. The reversal of 51679937 is 73997615.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51679937 - 2⁴ = 51679921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51679891 and 51679900.

It is not an unprimeable number, because it can be changed into a prime (51679939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17693 + ... + 20405.

It is an arithmetic number, because the mean of its divisors is an integer number (6627588).

Almost surely, 2^51679937 is an apocalyptic number.

It is an amenable number.

51679937 is a deficient number, since it is larger than the sum of its proper divisors (1340767).

51679937 is a wasteful number, since it uses less digits than its factorization.

51679937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199.

The product of its digits is 357210, while the sum is 47.

The square root of 51679937 is about 7188.8759204760. The cubic root of 51679937 is about 372.4837450679.

The spelling of 51679937 in words is "fifty-one million, six hundred seventy-nine thousand, nine hundred thirty-seven".