553640022 has 48 divisors (see below), whose sum is σ = 1339687440. Its totient is φ = 170348832.

The previous prime is 553639981. The next prime is 553640027. The reversal of 553640022 is 220046355.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553640027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37497 + ... + 50132.

It is an arithmetic number, because the mean of its divisors is an integer number (27910155).

Almost surely, 2^553640022 is an apocalyptic number.

553640022 is an abundant number, since it is smaller than the sum of its proper divisors (786047418).

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

553640022 is a wasteful number, since it uses less digits than its factorization.

553640022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87659 (or 87647 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 553640022 is about 23529.5563494087. The cubic root of 553640022 is about 821.1247810585.

Adding to 553640022 its reverse (220046355), we get a palindrome (773686377).

The spelling of 553640022 in words is "five hundred fifty-three million, six hundred forty thousand, twenty-two".