553255400 has 24 divisors (see below), whose sum is σ = 1286319270. Its totient is φ = 221302080.

The previous prime is 553255399. The next prime is 553255403. The reversal of 553255400 is 4552355.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 341436484 + 211818916 = 18478^2 + 14554^2 .

It is not an unprimeable number, because it can be changed into a prime (553255403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1382939 + ... + 1383338.

Almost surely, 2^553255400 is an apocalyptic number.

553255400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

553255400 is an abundant number, since it is smaller than the sum of its proper divisors (733063870).

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

553255400 is a wasteful number, since it uses less digits than its factorization.

553255400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766293 (or 2766284 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 553255400 is about 23521.3817621329. The cubic root of 553255400 is about 820.9345877880.

The spelling of 553255400 in words is "five hundred fifty-three million, two hundred fifty-five thousand, four hundred".