51257796 has 24 divisors (see below), whose sum is σ = 119827680. Its totient is φ = 17053632.

The previous prime is 51257743. The next prime is 51257797. The reversal of 51257796 is 69775215.

It is not an unprimeable number, because it can be changed into a prime (51257797) 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, 3075 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (4992820).

Almost surely, 2^51257796 is an apocalyptic number.

It is an amenable number.

51257796 is an abundant number, since it is smaller than the sum of its proper divisors (68569884).

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

51257796 is a wasteful number, since it uses less digits than its factorization.

51257796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8083 (or 8081 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 51257796 is about 7159.4550071915. The cubic root of 51257796 is about 371.4667756420.

It can be divided in two parts, 5125 and 7796, that added together give a palindrome (12921).

The spelling of 51257796 in words is "fifty-one million, two hundred fifty-seven thousand, seven hundred ninety-six".