553220440 has 32 divisors (see below), whose sum is σ = 1258740000. Its totient is φ = 218800384.

The previous prime is 553220431. The next prime is 553220471. The reversal of 553220440 is 44022355.

553220440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74140 + ... + 81259.

It is an arithmetic number, because the mean of its divisors is an integer number (39335625).

Almost surely, 2^553220440 is an apocalyptic number.

It is an amenable number.

553220440 is an abundant number, since it is smaller than the sum of its proper divisors (705519560).

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

553220440 is a wasteful number, since it uses less digits than its factorization.

553220440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155499 (or 155495 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 553220440 is about 23520.6385967728. The cubic root of 553220440 is about 820.9172959082.

Adding to 553220440 its reverse (44022355), we get a palindrome (597242795).

The spelling of 553220440 in words is "five hundred fifty-three million, two hundred twenty thousand, four hundred forty".