49931769 has 4 divisors (see below), whose sum is σ = 66575696. Its totient is φ = 33287844.

The previous prime is 49931767. The next prime is 49931807. The reversal of 49931769 is 96713994.

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.

It is not a de Polignac number, because 49931769 - 2¹ = 49931767 is a prime.

It is a super-2 number, since 2×49931769² = 4986363110938722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49931767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8321959 + ... + 8321964.

It is an arithmetic number, because the mean of its divisors is an integer number (16643924).

Almost surely, 2^49931769 is an apocalyptic number.

It is an amenable number.

49931769 is a deficient number, since it is larger than the sum of its proper divisors (16643927).

49931769 is a wasteful number, since it uses less digits than its factorization.

49931769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16643926.

The product of its digits is 367416, while the sum is 48.

The square root of 49931769 is about 7066.2415045058. The cubic root of 49931769 is about 368.2354968112.

The spelling of 49931769 in words is "forty-nine million, nine hundred thirty-one thousand, seven hundred sixty-nine".