50661612 has 36 divisors (see below), whose sum is σ = 132806856. Its totient is φ = 16886880.

The previous prime is 50661607. The next prime is 50661613. The reversal of 50661612 is 21616605.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50661613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25089 + ... + 27032.

Almost surely, 2^50661612 is an apocalyptic number.

It is an amenable number.

50661612 is an abundant number, since it is smaller than the sum of its proper divisors (82145244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50661612 is a wasteful number, since it uses less digits than its factorization.

50661612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52140 (or 52126 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 50661612 is about 7117.6970994838. The cubic root of 50661612 is about 370.0209678889.

The spelling of 50661612 in words is "fifty million, six hundred sixty-one thousand, six hundred twelve".