49490253 has 6 divisors (see below), whose sum is σ = 71485934. Its totient is φ = 32993496.

The previous prime is 49490237. The next prime is 49490257. The reversal of 49490253 is 35209494.

It can be written as a sum of positive squares in only one way, i.e., 42536484 + 6953769 = 6522^2 + 2637^2 .

It is not a de Polignac number, because 49490253 - 2⁴ = 49490237 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 (49490257) 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, 2749450 + ... + 2749467.

Almost surely, 2^49490253 is an apocalyptic number.

It is an amenable number.

49490253 is a deficient number, since it is larger than the sum of its proper divisors (21995681).

49490253 is a wasteful number, since it uses less digits than its factorization.

49490253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498923 (or 5498920 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 49490253 is about 7034.9309165052. The cubic root of 49490253 is about 367.1469217497.

The spelling of 49490253 in words is "forty-nine million, four hundred ninety thousand, two hundred fifty-three".