55504533400 has 24 divisors (see below), whose sum is σ = 129048040620. Its totient is φ = 22201813280.

The previous prime is 55504533289. The next prime is 55504533407. The reversal of 55504533400 is 433540555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55504533407) 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, 138761134 + ... + 138761533.

Almost surely, 2^55504533400 is an apocalyptic number.

55504533400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55504533400 is an abundant number, since it is smaller than the sum of its proper divisors (73543507220).

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

55504533400 is a wasteful number, since it uses less digits than its factorization.

55504533400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277522683 (or 277522674 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 55504533400 in words is "fifty-five billion, five hundred four million, five hundred thirty-three thousand, four hundred".