55033332550 has 24 divisors (see below), whose sum is σ = 116985141936. Its totient is φ = 18868571040.

The previous prime is 55033332533. The next prime is 55033332551. The reversal of 55033332550 is 5523333055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55033332551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78618697 + ... + 78619396.

It is an arithmetic number, because the mean of its divisors is an integer number (4874380914).

Almost surely, 2^55033332550 is an apocalyptic number.

55033332550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55033332550 is an abundant number, since it is smaller than the sum of its proper divisors (61951809386).

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

55033332550 is a wasteful number, since it uses less digits than its factorization.

55033332550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157238112 (or 157238107 counting only the distinct ones).

The product of its (nonzero) digits is 101250, while the sum is 34.

The spelling of 55033332550 in words is "fifty-five billion, thirty-three million, three hundred thirty-two thousand, five hundred fifty".