51246238 has 16 divisors (see below), whose sum is σ = 78268896. Its totient is φ = 25159680.

The previous prime is 51246227. The next prime is 51246271. The reversal of 51246238 is 83264215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43870 + ... + 45022.

It is an arithmetic number, because the mean of its divisors is an integer number (4891806).

Almost surely, 2^51246238 is an apocalyptic number.

51246238 is a deficient number, since it is larger than the sum of its proper divisors (27022658).

51246238 is a wasteful number, since it uses less digits than its factorization.

51246238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539.

The product of its digits is 11520, while the sum is 31.

The square root of 51246238 is about 7158.6477773390. The cubic root of 51246238 is about 371.4388531530.

The spelling of 51246238 in words is "fifty-one million, two hundred forty-six thousand, two hundred thirty-eight".