55045992650 has 24 divisors (see below), whose sum is σ = 111693324384. Its totient is φ = 20016724400.

The previous prime is 55045992629. The next prime is 55045992697. The reversal of 55045992650 is 5629954055.

It is a super-2 number, since 2×55045992650² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50041262 + ... + 50042361.

It is an arithmetic number, because the mean of its divisors is an integer number (4653888516).

Almost surely, 2^55045992650 is an apocalyptic number.

55045992650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55045992650 is an abundant number, since it is smaller than the sum of its proper divisors (56647331734).

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

55045992650 is a wasteful number, since it uses less digits than its factorization.

55045992650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100083646 (or 100083641 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 50.

The spelling of 55045992650 in words is "fifty-five billion, forty-five million, nine hundred ninety-two thousand, six hundred fifty".