49605857 has 4 divisors (see below), whose sum is σ = 56692416. Its totient is φ = 42519300.

The previous prime is 49605851. The next prime is 49605893. The reversal of 49605857 is 75850694.

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 49605857 - 2⁶ = 49605793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49605851) 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, 3543269 + ... + 3543282.

It is an arithmetic number, because the mean of its divisors is an integer number (14173104).

Almost surely, 2^49605857 is an apocalyptic number.

It is an amenable number.

49605857 is a deficient number, since it is larger than the sum of its proper divisors (7086559).

49605857 is an equidigital number, since it uses as much as digits as its factorization.

49605857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086558.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 49605857 is about 7043.1425514468. The cubic root of 49605857 is about 367.4325715833.

The spelling of 49605857 in words is "forty-nine million, six hundred five thousand, eight hundred fifty-seven".