553401400 has 96 divisors (see below), whose sum is σ = 1327035600. Its totient is φ = 214502400.

The previous prime is 553401397. The next prime is 553401419. The reversal of 553401400 is 4104355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1969260 + ... + 1969540.

Almost surely, 2^553401400 is an apocalyptic number.

553401400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 553401400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663517800).

553401400 is an abundant number, since it is smaller than the sum of its proper divisors (773634200).

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

553401400 is a wasteful number, since it uses less digits than its factorization.

553401400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 553401400 is about 23524.4851165759. The cubic root of 553401400 is about 821.0067942881.

Adding to 553401400 its reverse (4104355), we get a palindrome (557505755).

The spelling of 553401400 in words is "five hundred fifty-three million, four hundred one thousand, four hundred".