50161155 has 48 divisors (see below), whose sum is σ = 91355040. Its totient is φ = 23457280.

The previous prime is 50161123. The next prime is 50161157. The reversal of 50161155 is 55116105.

It is not a de Polignac number, because 50161155 - 2⁵ = 50161123 is a prime.

It is a super-2 number, since 2×50161155² = 5032282941868050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50161157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52159 + ... + 53111.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^50161155 is an apocalyptic number.

50161155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50161155 is a deficient number, since it is larger than the sum of its proper divisors (41193885).

50161155 is a wasteful number, since it uses less digits than its factorization.

50161155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012 (or 1001 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 24.

The square root of 50161155 is about 7082.4540238536. The cubic root of 50161155 is about 368.7985254535.

The spelling of 50161155 in words is "fifty million, one hundred sixty-one thousand, one hundred fifty-five".