51546243564342 has 12 divisors (see below), whose sum is σ = 111683527722780. Its totient is φ = 17182081188108.

The previous prime is 51546243564331. The next prime is 51546243564377. The reversal of 51546243564342 is 24346534264515.

51546243564342 is a `hidden beast` number, since 5 + 1 + 5 + 4 + 6 + 2 + 43 + 564 + 34 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1431840098992 + ... + 1431840099027.

It is an arithmetic number, because the mean of its divisors is an integer number (9306960643565).

Almost surely, 2^{51546243564342} is an apocalyptic number.

51546243564342 is an abundant number, since it is smaller than the sum of its proper divisors (60137284158438).

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

51546243564342 is a wasteful number, since it uses less digits than its factorization.

51546243564342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2863680198027 (or 2863680198024 counting only the distinct ones).

The product of its digits is 41472000, while the sum is 54.

The spelling of 51546243564342 in words is "fifty-one trillion, five hundred forty-six billion, two hundred forty-three million, five hundred sixty-four thousand, three hundred forty-two".