51464572 has 12 divisors (see below), whose sum is σ = 90228600. Its totient is φ = 25684976.

The previous prime is 51464561. The next prime is 51464573. The reversal of 51464572 is 27546415.

It is a super-2 number, since 2×51464572² = 5297204342286368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51464573) 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, 9322 + ... + 13777.

It is an arithmetic number, because the mean of its divisors is an integer number (7519050).

Almost surely, 2^51464572 is an apocalyptic number.

It is an amenable number.

51464572 is a deficient number, since it is larger than the sum of its proper divisors (38764028).

51464572 is a wasteful number, since it uses less digits than its factorization.

51464572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23660 (or 23658 counting only the distinct ones).

The product of its digits is 33600, while the sum is 34.

The square root of 51464572 is about 7173.8812368201. The cubic root of 51464572 is about 371.9656094157.

The spelling of 51464572 in words is "fifty-one million, four hundred sixty-four thousand, five hundred seventy-two".