50861601 has 28 divisors (see below), whose sum is σ = 87160192. Its totient is φ = 29060856.

The previous prime is 50861521. The next prime is 50861641. The reversal of 50861601 is 10616805.

50861601 is a `hidden beast` number, since 50 + 8 + 6 + 1 + 601 = 666.

It is not a de Polignac number, because 50861601 - 2⁹ = 50861089 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50861641) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 120 + ... + 10086.

It is an arithmetic number, because the mean of its divisors is an integer number (3112864).

Almost surely, 2^50861601 is an apocalyptic number.

It is an amenable number.

50861601 is a deficient number, since it is larger than the sum of its proper divisors (36298591).

50861601 is an frugal number, since it uses more digits than its factorization.

50861601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992 (or 9977 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 50861601 is about 7131.7319775774. The cubic root of 50861601 is about 370.5072201055.

The spelling of 50861601 in words is "fifty million, eight hundred sixty-one thousand, six hundred one".