51364976 has 20 divisors (see below), whose sum is σ = 107175432. Its totient is φ = 23706816.

The previous prime is 51364949. The next prime is 51364979. The reversal of 51364976 is 67946315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364979) 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, 123266 + ... + 123681.

Almost surely, 2^51364976 is an apocalyptic number.

It is an amenable number.

51364976 is an abundant number, since it is smaller than the sum of its proper divisors (55810456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51364976 is a wasteful number, since it uses less digits than its factorization.

51364976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246968 (or 246962 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 51364976 is about 7166.9363050051. The cubic root of 51364976 is about 371.7255076080.

The spelling of 51364976 in words is "fifty-one million, three hundred sixty-four thousand, nine hundred seventy-six".