55222423050 has 24 divisors (see below), whose sum is σ = 136951609536. Its totient is φ = 14725979440.

The previous prime is 55222423043. The next prime is 55222423051. The reversal of 55222423050 is 5032422255.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 55222422999 and 55222423017.

It is not an unprimeable number, because it can be changed into a prime (55222423051) by changing a digit.

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, 184074594 + ... + 184074893.

It is an arithmetic number, because the mean of its divisors is an integer number (5706317064).

Almost surely, 2^55222423050 is an apocalyptic number.

55222423050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55222423050 is an abundant number, since it is smaller than the sum of its proper divisors (81729186486).

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

55222423050 is a wasteful number, since it uses less digits than its factorization.

55222423050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368149502 (or 368149497 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 55222423050 in words is "fifty-five billion, two hundred twenty-two million, four hundred twenty-three thousand, fifty".