53551402304 has 56 divisors (see below), whose sum is σ = 107606287200. Its totient is φ = 26439436800.

The previous prime is 53551402271. The next prime is 53551402309. The reversal of 53551402304 is 40320415535.

It is a happy number.

53551402304 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×53551402304³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53551402309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2438927 + ... + 2460785.

Almost surely, 2^53551402304 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 53551402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53803143600).

53551402304 is an abundant number, since it is smaller than the sum of its proper divisors (54054884896).

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

53551402304 is a wasteful number, since it uses less digits than its factorization.

53551402304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22351 (or 22341 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 53551402304 its reverse (40320415535), we get a palindrome (93871817839).

The spelling of 53551402304 in words is "fifty-three billion, five hundred fifty-one million, four hundred two thousand, three hundred four".