51379936 has 24 divisors (see below), whose sum is σ = 101337264. Its totient is φ = 25643520.

The previous prime is 51379921. The next prime is 51379957. The reversal of 51379936 is 63997315.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51379892 and 51379901.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22696 + ... + 24856.

It is an arithmetic number, because the mean of its divisors is an integer number (4222386).

Almost surely, 2^51379936 is an apocalyptic number.

It is an amenable number.

51379936 is a deficient number, since it is larger than the sum of its proper divisors (49957328).

51379936 is a wasteful number, since it uses less digits than its factorization.

51379936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914 (or 2906 counting only the distinct ones).

The product of its digits is 153090, while the sum is 43.

The square root of 51379936 is about 7167.9799106861. The cubic root of 51379936 is about 371.7615923375.

The spelling of 51379936 in words is "fifty-one million, three hundred seventy-nine thousand, nine hundred thirty-six".