553087400 has 24 divisors (see below), whose sum is σ = 1285928670. Its totient is φ = 221234880.

The previous prime is 553087393. The next prime is 553087421. The reversal of 553087400 is 4780355.

It is a happy number.

553087400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 495418564 + 57668836 = 22258^2 + 7594^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1382519 + ... + 1382918.

Almost surely, 2^553087400 is an apocalyptic number.

553087400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

553087400 is an abundant number, since it is smaller than the sum of its proper divisors (732841270).

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

553087400 is a wasteful number, since it uses less digits than its factorization.

553087400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765453 (or 2765444 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 553087400 is about 23517.8102722171. The cubic root of 553087400 is about 820.8514851360.

The spelling of 553087400 in words is "five hundred fifty-three million, eighty-seven thousand, four hundred".