50353657 has 12 divisors (see below), whose sum is σ = 53367660. Its totient is φ = 47436480.

The previous prime is 50353637. The next prime is 50353669. The reversal of 50353657 is 75635305.

It can be written as a sum of positive squares in 6 ways, for example, as 13920361 + 36433296 = 3731^2 + 6036^2 .

It is not a de Polignac number, because 50353657 - 2¹⁵ = 50320889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50353607) 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, 278107 + ... + 278287.

It is an arithmetic number, because the mean of its divisors is an integer number (4447305).

Almost surely, 2^50353657 is an apocalyptic number.

It is an amenable number.

50353657 is a deficient number, since it is larger than the sum of its proper divisors (3014003).

50353657 is an equidigital number, since it uses as much as digits as its factorization.

50353657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 34.

The square root of 50353657 is about 7096.0310737764. The cubic root of 50353657 is about 369.2696990081.

The spelling of 50353657 in words is "fifty million, three hundred fifty-three thousand, six hundred fifty-seven".