51212976 has 40 divisors (see below), whose sum is σ = 140084784. Its totient is φ = 16066560.

The previous prime is 51212971. The next prime is 51212981. The reversal of 51212976 is 67921215.

It is an interprime number because it is at equal distance from previous prime (51212971) and next prime (51212981).

It is not an unprimeable number, because it can be changed into a prime (51212971) 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, 30565 + ... + 32196.

Almost surely, 2^51212976 is an apocalyptic number.

It is an amenable number.

51212976 is an abundant number, since it is smaller than the sum of its proper divisors (88871808).

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

51212976 is a wasteful number, since it uses less digits than its factorization.

51212976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62789 (or 62783 counting only the distinct ones).

The product of its digits is 7560, while the sum is 33.

The square root of 51212976 is about 7156.3241961219. The cubic root of 51212976 is about 371.3584734439.

The spelling of 51212976 in words is "fifty-one million, two hundred twelve thousand, nine hundred seventy-six".