50000055 has 32 divisors (see below), whose sum is σ = 94384128. Its totient is φ = 22118400.

The previous prime is 50000047. The next prime is 50000059. The reversal of 50000055 is 55000005.

It is not a de Polignac number, because 50000055 - 2³ = 50000047 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

50000055 is a modest number, since divided by 55 gives 50 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 49999989 and 50000043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50000059) 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 31 ways as a sum of consecutive naturals, for example, 4426 + ... + 10935.

It is an arithmetic number, because the mean of its divisors is an integer number (2949504).

Almost surely, 2^50000055 is an apocalyptic number.

50000055 is a deficient number, since it is larger than the sum of its proper divisors (44384073).

50000055 is a wasteful number, since it uses less digits than its factorization.

50000055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15407.

The product of its (nonzero) digits is 125, while the sum is 15.

The square root of 50000055 is about 7071.0717009517. The cubic root of 50000055 is about 368.4032849451.

The spelling of 50000055 in words is "fifty million, fifty-five", and thus it is an aban number and an uban number.