53580820398 has 32 divisors (see below), whose sum is σ = 125457534720. Its totient is φ = 14935419840.

The previous prime is 53580820373. The next prime is 53580820409. The reversal of 53580820398 is 89302808535.

It is a self number, because there is not a number n which added to its sum of digits gives 53580820398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15556008 + ... + 15559451.

It is an arithmetic number, because the mean of its divisors is an integer number (3920547960).

Almost surely, 2^53580820398 is an apocalyptic number.

53580820398 is an abundant number, since it is smaller than the sum of its proper divisors (71876714322).

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

53580820398 is a wasteful number, since it uses less digits than its factorization.

53580820398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31115512.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 53580820398 in words is "fifty-three billion, five hundred eighty million, eight hundred twenty thousand, three hundred ninety-eight".