51436168557348 has 48 divisors (see below), whose sum is σ = 120152323759104. Its totient is φ = 17126164800000.

The previous prime is 51436168557343. The next prime is 51436168557377. The reversal of 51436168557348 is 84375586163415.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (51436168557343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122622973 + ... + 123041723.

It is an arithmetic number, because the mean of its divisors is an integer number (2503173411648).

Almost surely, 2^{51436168557348} is an apocalyptic number.

It is an amenable number.

51436168557348 is an abundant number, since it is smaller than the sum of its proper divisors (68716155201756).

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

51436168557348 is a wasteful number, since it uses less digits than its factorization.

51436168557348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430212 (or 430210 counting only the distinct ones).

The product of its digits is 290304000, while the sum is 66.

The spelling of 51436168557348 in words is "fifty-one trillion, four hundred thirty-six billion, one hundred sixty-eight million, five hundred fifty-seven thousand, three hundred forty-eight".