51464103536 has 40 divisors (see below), whose sum is σ = 105835458240. Its totient is φ = 24159135744.

The previous prime is 51464103469. The next prime is 51464103557. The reversal of 51464103536 is 63530146415.

It is a self number, because there is not a number n which added to its sum of digits gives 51464103536.

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, 120056 + ... + 342551.

It is an arithmetic number, because the mean of its divisors is an integer number (2645886456).

Almost surely, 2^51464103536 is an apocalyptic number.

It is an amenable number.

51464103536 is an abundant number, since it is smaller than the sum of its proper divisors (54371354704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51464103536 is a wasteful number, since it uses less digits than its factorization.

51464103536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463041 (or 463035 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 51464103536 in words is "fifty-one billion, four hundred sixty-four million, one hundred three thousand, five hundred thirty-six".