53320555012251 has 16 divisors (see below), whose sum is σ = 73508332494848. Its totient is φ = 34343685288000.

The previous prime is 53320555012199. The next prime is 53320555012253. The reversal of 53320555012251 is 15221055502335.

It is not a de Polignac number, because 53320555012251 - 2²⁷ = 53320420794523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53320555012253) 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, 472216450 + ... + 472329351.

It is an arithmetic number, because the mean of its divisors is an integer number (4594270780928).

Almost surely, 2^{53320555012251} is an apocalyptic number.

53320555012251 is a deficient number, since it is larger than the sum of its proper divisors (20187777482597).

53320555012251 is a wasteful number, since it uses less digits than its factorization.

53320555012251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944546442.

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 53320555012251 in words is "fifty-three trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred fifty-one".