5221388754 has 24 divisors (see below), whose sum is σ = 11315556252. Its totient is φ = 1740071040.

The previous prime is 5221388747. The next prime is 5221388759. The reversal of 5221388754 is 4578831225.

It can be written as a sum of positive squares in 2 ways, for example, as 5220785025 + 603729 = 72255^2 + 777^2 .

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5221388759) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56014 + ... + 116534.

Almost surely, 2^5221388754 is an apocalyptic number.

5221388754 is an abundant number, since it is smaller than the sum of its proper divisors (6094167498).

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

5221388754 is a wasteful number, since it uses less digits than its factorization.

5221388754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65322 (or 65319 counting only the distinct ones).

The product of its digits is 537600, while the sum is 45.

The square root of 5221388754 is about 72259.1776454728. The cubic root of 5221388754 is about 1734.8503171009.

The spelling of 5221388754 in words is "five billion, two hundred twenty-one million, three hundred eighty-eight thousand, seven hundred fifty-four".