53472365856 has 576 divisors, whose sum is σ = 199928881152. Its totient is φ = 13169350656.

The previous prime is 53472365831. The next prime is 53472365887. The reversal of 53472365856 is 65856327435.

53472365856 is a `hidden beast` number, since 5 + 34 + 7 + 23 + 6 + 585 + 6 = 666.

It is a super-2 number, since 2×53472365856² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25918681 + ... + 25920743.

It is an arithmetic number, because the mean of its divisors is an integer number (347098752).

Almost surely, 2^53472365856 is an apocalyptic number.

53472365856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53472365856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99964440576).

53472365856 is an abundant number, since it is smaller than the sum of its proper divisors (146456515296).

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

53472365856 is a wasteful number, since it uses less digits than its factorization.

53472365856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2154 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 54.

The spelling of 53472365856 in words is "fifty-three billion, four hundred seventy-two million, three hundred sixty-five thousand, eight hundred fifty-six".