55055000050 has 24 divisors (see below), whose sum is σ = 102431134836. Its totient is φ = 22015799040.

The previous prime is 55055000041. The next prime is 55055000071. The reversal of 55055000050 is 5000055055.

It can be written as a sum of positive squares in 6 ways, for example, as 13421454201 + 41633545849 = 115851^2 + 204043^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a junction number, because it is equal to n+sod(n) for n = 55054999979 and 55055000024.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26422 + ... + 332878.

Almost surely, 2^55055000050 is an apocalyptic number.

55055000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55055000050 is a deficient number, since it is larger than the sum of its proper divisors (47376134786).

55055000050 is a wasteful number, since it uses less digits than its factorization.

55055000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310062 (or 310057 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 25.

The spelling of 55055000050 in words is "fifty-five billion, fifty-five million, fifty", and thus it is an aban number and an uban number.