51568426 has 32 divisors (see below), whose sum is σ = 96647040. Its totient is φ = 20091456.

The previous prime is 51568421. The next prime is 51568459. The reversal of 51568426 is 62486515.

It is not an unprimeable number, because it can be changed into a prime (51568421) 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, 10080 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (3020220).

Almost surely, 2^51568426 is an apocalyptic number.

51568426 is a deficient number, since it is larger than the sum of its proper divisors (45078614).

51568426 is a wasteful number, since it uses less digits than its factorization.

51568426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4318.

The product of its digits is 57600, while the sum is 37.

The square root of 51568426 is about 7181.1159299931. The cubic root of 51568426 is about 372.2156465394.

The spelling of 51568426 in words is "fifty-one million, five hundred sixty-eight thousand, four hundred twenty-six".