50611657 has 4 divisors (see below), whose sum is σ = 51221520. Its totient is φ = 50001796.

The previous prime is 50611651. The next prime is 50611667. The reversal of 50611657 is 75611605.

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 50611657 - 2⁷ = 50611529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50611651) 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, 304807 + ... + 304972.

It is an arithmetic number, because the mean of its divisors is an integer number (12805380).

Almost surely, 2^50611657 is an apocalyptic number.

It is an amenable number.

50611657 is a deficient number, since it is larger than the sum of its proper divisors (609863).

50611657 is an equidigital number, since it uses as much as digits as its factorization.

50611657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609862.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 50611657 is about 7114.1870231250. The cubic root of 50611657 is about 369.8993078813.

The spelling of 50611657 in words is "fifty million, six hundred eleven thousand, six hundred fifty-seven".