553606320400 has 120 divisors (see below), whose sum is σ = 1569078731264. Its totient is φ = 183685017600.

The previous prime is 553606320317. The next prime is 553606320419. The reversal of 553606320400 is 4023606355.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3102177 + ... + 3275776.

Almost surely, 2^553606320400 is an apocalyptic number.

553606320400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

553606320400 is an abundant number, since it is smaller than the sum of its proper divisors (1015472410864).

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

553606320400 is a wasteful number, since it uses less digits than its factorization.

553606320400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378009 (or 6377998 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 553606320400 its reverse (4023606355), we get a palindrome (557629926755).

The spelling of 553606320400 in words is "five hundred fifty-three billion, six hundred six million, three hundred twenty thousand, four hundred".