50551051657 has 4 divisors (see below), whose sum is σ = 50634332416. Its totient is φ = 50467770900.

The previous prime is 50551051651. The next prime is 50551051667. The reversal of 50551051657 is 75615015505.

50551051657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-50551051657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50551051651) 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, 41639469 + ... + 41640682.

It is an arithmetic number, because the mean of its divisors is an integer number (12658583104).

Almost surely, 2^50551051657 is an apocalyptic number.

It is an amenable number.

50551051657 is a deficient number, since it is larger than the sum of its proper divisors (83280759).

50551051657 is an equidigital number, since it uses as much as digits as its factorization.

50551051657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83280758.

The product of its (nonzero) digits is 131250, while the sum is 40.

The spelling of 50551051657 in words is "fifty billion, five hundred fifty-one million, fifty-one thousand, six hundred fifty-seven".