55183553500 has 48 divisors (see below), whose sum is σ = 121441031712. Its totient is φ = 21904896000.

The previous prime is 55183553449. The next prime is 55183553501. The reversal of 55183553500 is 535538155.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55183553501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355749 + ... + 486748.

It is an arithmetic number, because the mean of its divisors is an integer number (2530021494).

Almost surely, 2^55183553500 is an apocalyptic number.

55183553500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55183553500 is an abundant number, since it is smaller than the sum of its proper divisors (66257478212).

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

55183553500 is a wasteful number, since it uses less digits than its factorization.

55183553500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842647 (or 842635 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 40.

The spelling of 55183553500 in words is "fifty-five billion, one hundred eighty-three million, five hundred fifty-three thousand, five hundred".