50686253 has 2 divisors, whose sum is σ = 50686254. Its totient is φ = 50686252.

The previous prime is 50686249. The next prime is 50686289. The reversal of 50686253 is 35268605.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48135844 + 2550409 = 6938^2 + 1597^2 .

It is a cyclic number.

It is not a de Polignac number, because 50686253 - 2² = 50686249 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50686213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25343126 + 25343127.

It is an arithmetic number, because the mean of its divisors is an integer number (25343127).

Almost surely, 2^50686253 is an apocalyptic number.

It is an amenable number.

50686253 is a deficient number, since it is larger than the sum of its proper divisors (1).

50686253 is an equidigital number, since it uses as much as digits as its factorization.

50686253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 50686253 is about 7119.4278562255. The cubic root of 50686253 is about 370.0809489309.

The spelling of 50686253 in words is "fifty million, six hundred eighty-six thousand, two hundred fifty-three".