50536661 has 4 divisors (see below), whose sum is σ = 57756192. Its totient is φ = 43317132.

The previous prime is 50536657. The next prime is 50536679. The reversal of 50536661 is 16663505.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50536661 - 2² = 50536657 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50536601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3609755 + ... + 3609768.

It is an arithmetic number, because the mean of its divisors is an integer number (14439048).

Almost surely, 2^50536661 is an apocalyptic number.

It is an amenable number.

50536661 is a deficient number, since it is larger than the sum of its proper divisors (7219531).

50536661 is an equidigital number, since it uses as much as digits as its factorization.

50536661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7219530.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 50536661 is about 7108.9141927583. The cubic root of 50536661 is about 369.7165128260.

The spelling of 50536661 in words is "fifty million, five hundred thirty-six thousand, six hundred sixty-one".