49769489 has 32 divisors (see below), whose sum is σ = 66375936. Its totient is φ = 36126720.

The previous prime is 49769459. The next prime is 49769501. The reversal of 49769489 is 98496794.

It is not a de Polignac number, because 49769489 - 2²⁰ = 48720913 is a prime.

It is a super-2 number, since 2×49769489² = 4954004070642242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49769459) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 252539 + ... + 252735.

It is an arithmetic number, because the mean of its divisors is an integer number (2074248).

Almost surely, 2^49769489 is an apocalyptic number.

It is an amenable number.

49769489 is a deficient number, since it is larger than the sum of its proper divisors (16606447).

49769489 is a wasteful number, since it uses less digits than its factorization.

49769489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425.

The product of its digits is 3919104, while the sum is 56.

The square root of 49769489 is about 7054.7493931393. The cubic root of 49769489 is about 367.8361377626.

The spelling of 49769489 in words is "forty-nine million, seven hundred sixty-nine thousand, four hundred eighty-nine".