53544064392 has 896 divisors, whose sum is σ = 198313920000. Its totient is φ = 13442526720.

The previous prime is 53544064339. The next prime is 53544064397. The reversal of 53544064392 is 29346044535.

It is a super-2 number, since 2×53544064392² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53544064397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 754141717 + ... + 754141787.

It is an arithmetic number, because the mean of its divisors is an integer number (221332500).

Almost surely, 2^53544064392 is an apocalyptic number.

53544064392 is a gapful number since it is divisible by the number (52) 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 53544064392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99156960000).

53544064392 is an abundant number, since it is smaller than the sum of its proper divisors (144769855608).

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

53544064392 is a wasteful number, since it uses less digits than its factorization.

53544064392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

The spelling of 53544064392 in words is "fifty-three billion, five hundred forty-four million, sixty-four thousand, three hundred ninety-two".