53345305356564 has 96 divisors (see below), whose sum is σ = 135487898993664. Its totient is φ = 16237797811200.

The previous prime is 53345305356533. The next prime is 53345305356589. The reversal of 53345305356564 is 46565350354335.

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, 17377917 + ... + 20215899.

It is an arithmetic number, because the mean of its divisors is an integer number (1411332281184).

Almost surely, 2^{53345305356564} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53345305356564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67743949496832).

53345305356564 is an abundant number, since it is smaller than the sum of its proper divisors (82142593637100).

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

53345305356564 is a wasteful number, since it uses less digits than its factorization.

53345305356564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839297 (or 2839295 counting only the distinct ones).

The product of its (nonzero) digits is 145800000, while the sum is 57.

The spelling of 53345305356564 in words is "fifty-three trillion, three hundred forty-five billion, three hundred five million, three hundred fifty-six thousand, five hundred sixty-four".