553315225271400 has 72 divisors (see below), whose sum is σ = 1858216964875830. Its totient is φ = 147550726738560.

The previous prime is 553315225271317. The next prime is 553315225271401. The reversal of 553315225271400 is 4172522513355.

553315225271400 is a `hidden beast` number, since 5 + 5 + 3 + 3 + 1 + 522 + 52 + 71 + 4 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 295660528027524 + 257654697243876 = 17194782^2 + 16051626^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (553315225271401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 153698671887 + ... + 153698675486.

Almost surely, 2^{553315225271400} is an apocalyptic number.

553315225271400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

553315225271400 is an abundant number, since it is smaller than the sum of its proper divisors (1304901739604430).

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

553315225271400 is a wasteful number, since it uses less digits than its factorization.

553315225271400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307397347395 (or 307397347383 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

Adding to 553315225271400 its reverse (4172522513355), we get a palindrome (557487747784755).

The spelling of 553315225271400 in words is "five hundred fifty-three trillion, three hundred fifteen billion, two hundred twenty-five million, two hundred seventy-one thousand, four hundred".