49257705 has 16 divisors (see below), whose sum is σ = 90071424. Its totient is φ = 22517760.

The previous prime is 49257701. The next prime is 49257713. The reversal of 49257705 is 50775294.

It is not a de Polignac number, because 49257705 - 2² = 49257701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49257701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234456 + ... + 234665.

It is an arithmetic number, because the mean of its divisors is an integer number (5629464).

Almost surely, 2^49257705 is an apocalyptic number.

It is an amenable number.

49257705 is a deficient number, since it is larger than the sum of its proper divisors (40813719).

49257705 is a wasteful number, since it uses less digits than its factorization.

49257705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469136.

The product of its (nonzero) digits is 88200, while the sum is 39.

The square root of 49257705 is about 7018.3833608602. The cubic root of 49257705 is about 366.5709607882.

The spelling of 49257705 in words is "forty-nine million, two hundred fifty-seven thousand, seven hundred five".