55201868850 has 24 divisors (see below), whose sum is σ = 136900635120. Its totient is φ = 14720498320.

The previous prime is 55201868791. The next prime is 55201868863. The reversal of 55201868850 is 5886810255.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55201868850.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 184006080 + ... + 184006379.

It is an arithmetic number, because the mean of its divisors is an integer number (5704193130).

Almost surely, 2^55201868850 is an apocalyptic number.

55201868850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55201868850 is an abundant number, since it is smaller than the sum of its proper divisors (81698766270).

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

55201868850 is a wasteful number, since it uses less digits than its factorization.

55201868850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368012474 (or 368012469 counting only the distinct ones).

The product of its (nonzero) digits is 768000, while the sum is 48.

The spelling of 55201868850 in words is "fifty-five billion, two hundred one million, eight hundred sixty-eight thousand, eight hundred fifty".