49457 has 6 divisors (see below), whose sum is σ = 52578. Its totient is φ = 46512.

The previous prime is 49451. The next prime is 49459. The reversal of 49457 is 75494.

It can be written as a sum of positive squares in only one way, i.e., 43681 + 5776 = 209^2 + 76^2 .

It is not a de Polignac number, because 49457 - 2⁶ = 49393 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 293 + ... + 429.

It is an arithmetic number, because the mean of its divisors is an integer number (8763).

2⁴⁹⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

49457 is a deficient number, since it is larger than the sum of its proper divisors (3121).

49457 is a wasteful number, since it uses less digits than its factorization.

49457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 156 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 49457 is about 222.3892983037. The cubic root of 49457 is about 36.7064673420.

The spelling of 49457 in words is "forty-nine thousand, four hundred fifty-seven".