553023420 has 48 divisors (see below), whose sum is σ = 1549715328. Its totient is φ = 147353920.

The previous prime is 553023409. The next prime is 553023421. The reversal of 553023420 is 24320355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553023421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91327 + ... + 97193.

It is an arithmetic number, because the mean of its divisors is an integer number (32285736).

Almost surely, 2^553023420 is an apocalyptic number.

It is an amenable number.

553023420 is an abundant number, since it is smaller than the sum of its proper divisors (996691908).

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

553023420 is a wasteful number, since it uses less digits than its factorization.

553023420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450 (or 7448 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 553023420 is about 23516.4499871898. The cubic root of 553023420 is about 820.8198324513.

Adding to 553023420 its reverse (24320355), we get a palindrome (577343775).

The spelling of 553023420 in words is "five hundred fifty-three million, twenty-three thousand, four hundred twenty".