50653257 has 4 divisors (see below), whose sum is σ = 67537680. Its totient is φ = 33768836.

The previous prime is 50653249. The next prime is 50653279. The reversal of 50653257 is 75235605.

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 50653257 - 2³ = 50653249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50651257) 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, 8442207 + ... + 8442212.

It is an arithmetic number, because the mean of its divisors is an integer number (16884420).

Almost surely, 2^50653257 is an apocalyptic number.

It is an amenable number.

50653257 is a deficient number, since it is larger than the sum of its proper divisors (16884423).

50653257 is a wasteful number, since it uses less digits than its factorization.

50653257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16884422.

The product of its (nonzero) digits is 31500, while the sum is 33.

The square root of 50653257 is about 7117.1101579222. The cubic root of 50653257 is about 370.0006257598. Note that the first 3 decimals are identical.

The spelling of 50653257 in words is "fifty million, six hundred fifty-three thousand, two hundred fifty-seven".