53226538398520 has 128 divisors (see below), whose sum is σ = 121321645099200. Its totient is φ = 21014783078400.

The previous prime is 53226538398511. The next prime is 53226538398557. The reversal of 53226538398520 is 2589383562235.

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, 6075390940 + ... + 6075399700.

Almost surely, 2^{53226538398520} is an apocalyptic number.

It is an amenable number.

53226538398520 is an abundant number, since it is smaller than the sum of its proper divisors (68095106700680).

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

53226538398520 is a wasteful number, since it uses less digits than its factorization.

53226538398520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15129 (or 15125 counting only the distinct ones).

The product of its (nonzero) digits is 93312000, while the sum is 61.

The spelling of 53226538398520 in words is "fifty-three trillion, two hundred twenty-six billion, five hundred thirty-eight million, three hundred ninety-eight thousand, five hundred twenty".