51461626 has 16 divisors (see below), whose sum is σ = 82425024. Its totient is φ = 24038784.

The previous prime is 51461623. The next prime is 51461651. The reversal of 51461626 is 62616415.

It is not an unprimeable number, because it can be changed into a prime (51461623) 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, 11031 + ... + 14986.

It is an arithmetic number, because the mean of its divisors is an integer number (5151564).

Almost surely, 2^51461626 is an apocalyptic number.

51461626 is a deficient number, since it is larger than the sum of its proper divisors (30963398).

51461626 is a wasteful number, since it uses less digits than its factorization.

51461626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26085.

The product of its digits is 8640, while the sum is 31.

The square root of 51461626 is about 7173.6759056986. The cubic root of 51461626 is about 371.9585117719.

The spelling of 51461626 in words is "fifty-one million, four hundred sixty-one thousand, six hundred twenty-six".