553003540 has 24 divisors (see below), whose sum is σ = 1229620392. Its totient is φ = 208189440.

The previous prime is 553003501. The next prime is 553003541. The reversal of 553003540 is 45300355.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22714756 + 530288784 = 4766^2 + 23028^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553003541) 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, 812901 + ... + 813580.

It is an arithmetic number, because the mean of its divisors is an integer number (51234183).

Almost surely, 2^553003540 is an apocalyptic number.

It is an amenable number.

553003540 is an abundant number, since it is smaller than the sum of its proper divisors (676616852).

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

553003540 is a wasteful number, since it uses less digits than its factorization.

553003540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626507 (or 1626505 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 553003540 is about 23516.0273005455. The cubic root of 553003540 is about 820.8099967655.

Adding to 553003540 its reverse (45300355), we get a palindrome (598303895).

The spelling of 553003540 in words is "five hundred fifty-three million, three thousand, five hundred forty".