53425445520 has 160 divisors (see below), whose sum is σ = 170406200448. Its totient is φ = 13836386304.

The previous prime is 53425445509. The next prime is 53425445543. The reversal of 53425445520 is 2554452435.

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, 5118547 + ... + 5128973.

Almost surely, 2^53425445520 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 53425445520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85203100224).

53425445520 is an abundant number, since it is smaller than the sum of its proper divisors (116980754928).

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

53425445520 is a wasteful number, since it uses less digits than its factorization.

53425445520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11057 (or 11051 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

Adding to 53425445520 its reverse (2554452435), we get a palindrome (55979897955).

The spelling of 53425445520 in words is "fifty-three billion, four hundred twenty-five million, four hundred forty-five thousand, five hundred twenty".