51764012 has 12 divisors (see below), whose sum is σ = 90640536. Its totient is φ = 25866720.

The previous prime is 51764003. The next prime is 51764021. The reversal of 51764012 is 21046715.

It is an interprime number because it is at equal distance from previous prime (51764003) and next prime (51764021).

It is a super-2 number, since 2×51764012² = 5359025876672288, which contains 22 as substring.

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, 7568 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (7553378).

Almost surely, 2^51764012 is an apocalyptic number.

It is an amenable number.

51764012 is a deficient number, since it is larger than the sum of its proper divisors (38876524).

51764012 is a wasteful number, since it uses less digits than its factorization.

51764012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7648 (or 7646 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 51764012 is about 7194.7211203771. The cubic root of 51764012 is about 372.6856261438.

The spelling of 51764012 in words is "fifty-one million, seven hundred sixty-four thousand, twelve".