49257923 has 12 divisors (see below), whose sum is σ = 58189608. Its totient is φ = 41333760.

The previous prime is 49257907. The next prime is 49257947. The reversal of 49257923 is 32975294.

It is not a de Polignac number, because 49257923 - 2⁴ = 49257907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49257953) 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 11 ways as a sum of consecutive naturals, for example, 11390 + ... + 15107.

It is an arithmetic number, because the mean of its divisors is an integer number (4849134).

Almost surely, 2^49257923 is an apocalyptic number.

49257923 is a deficient number, since it is larger than the sum of its proper divisors (8931685).

49257923 is a wasteful number, since it uses less digits than its factorization.

49257923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26534 (or 26521 counting only the distinct ones).

The product of its digits is 136080, while the sum is 41.

The square root of 49257923 is about 7018.3988914852. The cubic root of 49257923 is about 366.5715015655.

The spelling of 49257923 in words is "forty-nine million, two hundred fifty-seven thousand, nine hundred twenty-three".