51777953631096 has 128 divisors (see below), whose sum is σ = 162468956736000. Its totient is φ = 13358558522880.

The previous prime is 51777953631077. The next prime is 51777953631161. The reversal of 51777953631096 is 69013635977715.

It is a super-2 number, since 2×51777953631096² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51777953631096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 93746035 + ... + 94296738.

It is an arithmetic number, because the mean of its divisors is an integer number (1269288724500).

Almost surely, 2^{51777953631096} is an apocalyptic number.

51777953631096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51777953631096 is an abundant number, since it is smaller than the sum of its proper divisors (110691003104904).

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

51777953631096 is a wasteful number, since it uses less digits than its factorization.

51777953631096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188042949 (or 188042945 counting only the distinct ones).

The product of its (nonzero) digits is 225042300, while the sum is 69.

The spelling of 51777953631096 in words is "fifty-one trillion, seven hundred seventy-seven billion, nine hundred fifty-three million, six hundred thirty-one thousand, ninety-six".