50561155 has 16 divisors (see below), whose sum is σ = 63258624. Its totient is φ = 38751840.

The previous prime is 50561141. The next prime is 50561177. The reversal of 50561155 is 55116505.

It is not a de Polignac number, because 50561155 - 2¹⁹ = 50036867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14382 + ... + 17548.

It is an arithmetic number, because the mean of its divisors is an integer number (3953664).

Almost surely, 2^50561155 is an apocalyptic number.

50561155 is a deficient number, since it is larger than the sum of its proper divisors (12697469).

50561155 is a wasteful number, since it uses less digits than its factorization.

50561155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 50561155 is about 7110.6367506715. The cubic root of 50561155 is about 369.7762343129.

The spelling of 50561155 in words is "fifty million, five hundred sixty-one thousand, one hundred fifty-five".