55183302640950 has 48 divisors (see below), whose sum is σ = 149295916967616. Its totient is φ = 13377770336800.

The previous prime is 55183302640943. The next prime is 55183302641023. The reversal of 55183302640950 is 5904620338155.

It is a junction number, because it is equal to n+sod(n) for n = 55183302640893 and 55183302640902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16722211272 + ... + 16722214571.

It is an arithmetic number, because the mean of its divisors is an integer number (3110331603492).

Almost surely, 2^{55183302640950} is an apocalyptic number.

55183302640950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55183302640950 is an abundant number, since it is smaller than the sum of its proper divisors (94112614326666).

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

55183302640950 is a wasteful number, since it uses less digits than its factorization.

55183302640950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33444425869 (or 33444425864 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 51.

The spelling of 55183302640950 in words is "fifty-five trillion, one hundred eighty-three billion, three hundred two million, six hundred forty thousand, nine hundred fifty".