51457264 has 10 divisors (see below), whose sum is σ = 99698480. Its totient is φ = 25728624.

The previous prime is 51457247. The next prime is 51457271. The reversal of 51457264 is 46275415.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608024 + ... + 1608055.

It is an arithmetic number, because the mean of its divisors is an integer number (9969848).

Almost surely, 2^51457264 is an apocalyptic number.

It is an amenable number.

51457264 is a deficient number, since it is larger than the sum of its proper divisors (48241216).

51457264 is a wasteful number, since it uses less digits than its factorization.

51457264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216087 (or 3216081 counting only the distinct ones).

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

The square root of 51457264 is about 7173.3718710241. The cubic root of 51457264 is about 371.9480021359.

The spelling of 51457264 in words is "fifty-one million, four hundred fifty-seven thousand, two hundred sixty-four".