50400117 has 16 divisors (see below), whose sum is σ = 74839680. Its totient is φ = 33522336.

The previous prime is 50400083. The next prime is 50400127. The reversal of 50400117 is 71100405.

It is not a de Polignac number, because 50400117 - 2¹¹ = 50398069 is a prime.

It is a super-2 number, since 2×50400117² = 5080343587227378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50400117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50400127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11233 + ... + 15065.

It is an arithmetic number, because the mean of its divisors is an integer number (4677480).

Almost surely, 2^50400117 is an apocalyptic number.

It is an amenable number.

50400117 is a deficient number, since it is larger than the sum of its proper divisors (24439563).

50400117 is a wasteful number, since it uses less digits than its factorization.

50400117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329 (or 4323 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 50400117 is about 7099.3039799687. The cubic root of 50400117 is about 369.3832359214.

The spelling of 50400117 in words is "fifty million, four hundred thousand, one hundred seventeen".