55502220050 has 48 divisors (see below), whose sum is σ = 104557537800. Its totient is φ = 21917068800.

The previous prime is 55502220043. The next prime is 55502220083. The reversal of 55502220050 is 5002220555.

It can be written as a sum of positive squares in 12 ways, for example, as 15755019361 + 39747200689 = 125519^2 + 199367^2 .

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, 2932016 + ... + 2950884.

Almost surely, 2^55502220050 is an apocalyptic number.

55502220050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55502220050 is a deficient number, since it is larger than the sum of its proper divisors (49055317750).

55502220050 is a wasteful number, since it uses less digits than its factorization.

55502220050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19631 (or 19626 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 55502220050 in words is "fifty-five billion, five hundred two million, two hundred twenty thousand, fifty".