49285257 has 16 divisors (see below), whose sum is σ = 77524992. Its totient is φ = 27254160.

The previous prime is 49285253. The next prime is 49285277. The reversal of 49285257 is 75258294.

It is not a de Polignac number, because 49285257 - 2² = 49285253 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49285253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37203 + ... + 38504.

It is an arithmetic number, because the mean of its divisors is an integer number (4845312).

Almost surely, 2^49285257 is an apocalyptic number.

It is an amenable number.

49285257 is a deficient number, since it is larger than the sum of its proper divisors (28239735).

49285257 is a wasteful number, since it uses less digits than its factorization.

49285257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75748.

The product of its digits is 201600, while the sum is 42.

The square root of 49285257 is about 7020.3459316475. The cubic root of 49285257 is about 366.6392944672.

The spelling of 49285257 in words is "forty-nine million, two hundred eighty-five thousand, two hundred fifty-seven".