49937257 has 4 divisors (see below), whose sum is σ = 49995076. Its totient is φ = 49879440.

The previous prime is 49937231. The next prime is 49937269. The reversal of 49937257 is 75273994.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34445161 + 15492096 = 5869^2 + 3936^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49937257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49937207) 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, 27594 + ... + 29347.

It is an arithmetic number, because the mean of its divisors is an integer number (12498769).

Almost surely, 2^49937257 is an apocalyptic number.

It is an amenable number.

49937257 is a deficient number, since it is larger than the sum of its proper divisors (57819).

49937257 is an equidigital number, since it uses as much as digits as its factorization.

49937257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57818.

The product of its digits is 476280, while the sum is 46.

The square root of 49937257 is about 7066.6298190863. The cubic root of 49937257 is about 368.2489872363.

The spelling of 49937257 in words is "forty-nine million, nine hundred thirty-seven thousand, two hundred fifty-seven".