49775253 has 16 divisors (see below), whose sum is σ = 72523776. Its totient is φ = 30115440.

The previous prime is 49775233. The next prime is 49775261. The reversal of 49775253 is 35257794.

49775253 is a nontrivial binomial coefficient, being equal to C(9978, 2).

It is not a de Polignac number, because 49775253 - 2⁵ = 49775221 is a prime.

It is a super-2 number, since 2×49775253² = 4955151622428018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775213) 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, 29100 + ... + 30762.

It is an arithmetic number, because the mean of its divisors is an integer number (4532736).

Almost surely, 2^49775253 is an apocalyptic number.

49775253 is the 9977-th triangular number and also the 4989-th hexagonal number.

It is an amenable number.

49775253 is a deficient number, since it is larger than the sum of its proper divisors (22748523).

49775253 is a wasteful number, since it uses less digits than its factorization.

49775253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2584.

The product of its digits is 264600, while the sum is 42.

The square root of 49775253 is about 7055.1579004300. The cubic root of 49775253 is about 367.8503373970.

The spelling of 49775253 in words is "forty-nine million, seven hundred seventy-five thousand, two hundred fifty-three".