51310574623 has 16 divisors (see below), whose sum is σ = 63976582656. Its totient is φ = 39979167840.

The previous prime is 51310574599. The next prime is 51310574629. The reversal of 51310574623 is 32647501315.

It is a cyclic number.

It is not a de Polignac number, because 51310574623 - 2⁹ = 51310574111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51310574629) 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, 1940590 + ... + 1966852.

It is an arithmetic number, because the mean of its divisors is an integer number (3998536416).

Almost surely, 2^51310574623 is an apocalyptic number.

51310574623 is a deficient number, since it is larger than the sum of its proper divisors (12666008033).

51310574623 is a wasteful number, since it uses less digits than its factorization.

51310574623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 75600, while the sum is 37.

The spelling of 51310574623 in words is "fifty-one billion, three hundred ten million, five hundred seventy-four thousand, six hundred twenty-three".