51314542461364 has 72 divisors (see below), whose sum is σ = 112498876022568. Its totient is φ = 20299968057600.

The previous prime is 51314542461353. The next prime is 51314542461407. The reversal of 51314542461364 is 46316424541315.

It can be written as a sum of positive squares in 4 ways, for example, as 164268090000 + 51150274371364 = 405300^2 + 7151942^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 303384802 + ... + 303553894.

Almost surely, 2^{51314542461364} is an apocalyptic number.

It is an amenable number.

51314542461364 is an abundant number, since it is smaller than the sum of its proper divisors (61184333561204).

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

51314542461364 is a wasteful number, since it uses less digits than its factorization.

51314542461364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288225 (or 288216 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 49.

The spelling of 51314542461364 in words is "fifty-one trillion, three hundred fourteen billion, five hundred forty-two million, four hundred sixty-one thousand, three hundred sixty-four".