50161187 has 2 divisors, whose sum is σ = 50161188. Its totient is φ = 50161186.

The previous prime is 50161157. The next prime is 50161207. The reversal of 50161187 is 78116105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50161187 - 2⁶ = 50161123 is a prime.

It is a super-2 number, since 2×50161187² = 5032289362497938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50161117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25080593 + 25080594.

It is an arithmetic number, because the mean of its divisors is an integer number (25080594).

Almost surely, 2^50161187 is an apocalyptic number.

50161187 is a deficient number, since it is larger than the sum of its proper divisors (1).

50161187 is an equidigital number, since it uses as much as digits as its factorization.

50161187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 29.

The square root of 50161187 is about 7082.4562829572. The cubic root of 50161187 is about 368.7986038778.

The spelling of 50161187 in words is "fifty million, one hundred sixty-one thousand, one hundred eighty-seven".