49776253 has 4 divisors (see below), whose sum is σ = 50168320. Its totient is φ = 49384188.

The previous prime is 49776239. The next prime is 49776263. The reversal of 49776253 is 35267794.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 35267794 = 2 ⋅17633897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49776253 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 (49776203) 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 3 ways as a sum of consecutive naturals, for example, 195843 + ... + 196096.

It is an arithmetic number, because the mean of its divisors is an integer number (12542080).

Almost surely, 2^49776253 is an apocalyptic number.

It is an amenable number.

49776253 is a deficient number, since it is larger than the sum of its proper divisors (392067).

49776253 is a wasteful number, since it uses less digits than its factorization.

49776253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392066.

The product of its digits is 317520, while the sum is 43.

The square root of 49776253 is about 7055.2287702101. The cubic root of 49776253 is about 367.8528007890.

The spelling of 49776253 in words is "forty-nine million, seven hundred seventy-six thousand, two hundred fifty-three".