553450400 has 36 divisors (see below), whose sum is σ = 1351112742. Its totient is φ = 221379840.

The previous prime is 553450399. The next prime is 553450451. The reversal of 553450400 is 4054355.

It can be written as a sum of positive squares in 3 ways, for example, as 506610064 + 46840336 = 22508^2 + 6844^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 553450400.

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, 345107 + ... + 346706.

Almost surely, 2^553450400 is an apocalyptic number.

553450400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

553450400 is an abundant number, since it is smaller than the sum of its proper divisors (797662342).

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

553450400 is a wasteful number, since it uses less digits than its factorization.

553450400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691833 (or 691820 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 553450400 is about 23525.5265615884. The cubic root of 553450400 is about 821.0310251301.

The spelling of 553450400 in words is "five hundred fifty-three million, four hundred fifty thousand, four hundred".