50638653 has 30 divisors (see below), whose sum is σ = 79642134. Its totient is φ = 31004064.

The previous prime is 50638639. The next prime is 50638661. The reversal of 50638653 is 35683605.

It can be written as a sum of positive squares in 5 ways, for example, as 28708164 + 21930489 = 5358^2 + 4683^2 .

It is not a de Polignac number, because 50638653 - 2⁸ = 50638397 is a prime.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50638613) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 256951 + ... + 257147.

Almost surely, 2^50638653 is an apocalyptic number.

It is an amenable number.

50638653 is a deficient number, since it is larger than the sum of its proper divisors (29003481).

50638653 is an equidigital number, since it uses as much as digits as its factorization.

50638653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 50638653 is about 7116.0841057424. The cubic root of 50638653 is about 369.9650636602.

The spelling of 50638653 in words is "fifty million, six hundred thirty-eight thousand, six hundred fifty-three".