50161365 has 12 divisors (see below), whose sum is σ = 86946444. Its totient is φ = 26752704.

The previous prime is 50161357. The next prime is 50161393. The reversal of 50161365 is 56316105.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 42107121 = 2838^2 + 6489^2 .

It is not a de Polignac number, because 50161365 - 2³ = 50161357 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 557304 + ... + 557393.

It is an arithmetic number, because the mean of its divisors is an integer number (7245537).

Almost surely, 2^50161365 is an apocalyptic number.

It is an amenable number.

50161365 is a deficient number, since it is larger than the sum of its proper divisors (36785079).

50161365 is a wasteful number, since it uses less digits than its factorization.

50161365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1114708 (or 1114705 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50161365 is about 7082.4688492079. The cubic root of 50161365 is about 368.7990401120.

The spelling of 50161365 in words is "fifty million, one hundred sixty-one thousand, three hundred sixty-five".