55352490400 has 36 divisors (see below), whose sum is σ = 135129269142. Its totient is φ = 22140995840.

The previous prime is 55352490397. The next prime is 55352490421. The reversal of 55352490400 is 409425355.

55352490400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22604521104 + 32747969296 = 150348^2 + 180964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55352490400.

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, 34594507 + ... + 34596106.

Almost surely, 2^55352490400 is an apocalyptic number.

55352490400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55352490400 is an abundant number, since it is smaller than the sum of its proper divisors (79776778742).

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

55352490400 is a wasteful number, since it uses less digits than its factorization.

55352490400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69190633 (or 69190620 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 37.

The spelling of 55352490400 in words is "fifty-five billion, three hundred fifty-two million, four hundred ninety thousand, four hundred".