51612462904 has 32 divisors (see below), whose sum is σ = 101896300800. Its totient is φ = 24440905440.

The previous prime is 51612462901. The next prime is 51612462917. The reversal of 51612462904 is 40926421615.

It is a super-2 number, since 2×51612462904² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51612462901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495249 + ... + 590335.

It is an arithmetic number, because the mean of its divisors is an integer number (3184259400).

Almost surely, 2^51612462904 is an apocalyptic number.

It is an amenable number.

51612462904 is a deficient number, since it is larger than the sum of its proper divisors (50283837896).

51612462904 is a wasteful number, since it uses less digits than its factorization.

51612462904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98683 (or 98679 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The spelling of 51612462904 in words is "fifty-one billion, six hundred twelve million, four hundred sixty-two thousand, nine hundred four".