51362457 has 16 divisors (see below), whose sum is σ = 72705600. Its totient is φ = 32141312.

The previous prime is 51362447. The next prime is 51362471. The reversal of 51362457 is 75426315.

It is a cyclic number.

It is not a de Polignac number, because 51362457 - 2⁷ = 51362329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51362407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21778 + ... + 24020.

It is an arithmetic number, because the mean of its divisors is an integer number (4544100).

Almost surely, 2^51362457 is an apocalyptic number.

It is an amenable number.

51362457 is a deficient number, since it is larger than the sum of its proper divisors (21343143).

51362457 is a wasteful number, since it uses less digits than its factorization.

51362457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2712.

The product of its digits is 25200, while the sum is 33.

The square root of 51362457 is about 7166.7605652763. The cubic root of 51362457 is about 371.7194308871.

The spelling of 51362457 in words is "fifty-one million, three hundred sixty-two thousand, four hundred fifty-seven".