555898400 has 36 divisors (see below), whose sum is σ = 1357088922. Its totient is φ = 222359040.

The previous prime is 555898381. The next prime is 555898403. The reversal of 555898400 is 4898555.

It can be written as a sum of positive squares in 3 ways, for example, as 415996816 + 139901584 = 20396^2 + 11828^2 .

It is a super-2 number, since 2×555898400² = 618046062245120000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (555898403) 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, 346637 + ... + 348236.

Almost surely, 2^555898400 is an apocalyptic number.

555898400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555898400 is an abundant number, since it is smaller than the sum of its proper divisors (801190522).

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

555898400 is a wasteful number, since it uses less digits than its factorization.

555898400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694893 (or 694880 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 44.

The square root of 555898400 is about 23577.4977467924. The cubic root of 555898400 is about 822.2397620910.

The spelling of 555898400 in words is "five hundred fifty-five million, eight hundred ninety-eight thousand, four hundred".