49279269 has 16 divisors (see below), whose sum is σ = 71137472. Its totient is φ = 30163968.

The previous prime is 49279259. The next prime is 49279273. The reversal of 49279269 is 96297294.

It is a de Polignac number, because none of the positive numbers 2^k-49279269 is a prime.

It is a super-2 number, since 2×49279269² = 4856892706348722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49279259) 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, 4254 + ... + 10800.

It is an arithmetic number, because the mean of its divisors is an integer number (4446092).

Almost surely, 2^49279269 is an apocalyptic number.

It is an amenable number.

49279269 is a deficient number, since it is larger than the sum of its proper divisors (21858203).

49279269 is a wasteful number, since it uses less digits than its factorization.

49279269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6756.

The product of its digits is 489888, while the sum is 48.

The square root of 49279269 is about 7019.9194439822. The cubic root of 49279269 is about 366.6244453680.

It can be divided in two parts, 4927 and 9269, that added together give a triangular number (14196 = T₁₆₈).

The spelling of 49279269 in words is "forty-nine million, two hundred seventy-nine thousand, two hundred sixty-nine".