49913739 has 10 divisors (see below), whose sum is σ = 74562620. Its totient is φ = 33275772.

The previous prime is 49913729. The next prime is 49913753. The reversal of 49913739 is 93731994.

It is not a de Polignac number, because 49913739 - 2⁵ = 49913707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49913694 and 49913703.

It is not an unprimeable number, because it can be changed into a prime (49913729) 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 9 ways as a sum of consecutive naturals, for example, 308029 + ... + 308190.

It is an arithmetic number, because the mean of its divisors is an integer number (7456262).

Almost surely, 2^49913739 is an apocalyptic number.

49913739 is a deficient number, since it is larger than the sum of its proper divisors (24648881).

49913739 is an equidigital number, since it uses as much as digits as its factorization.

49913739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616231 (or 616222 counting only the distinct ones).

The product of its digits is 183708, while the sum is 45.

The square root of 49913739 is about 7064.9656050118. The cubic root of 49913739 is about 368.1911690854.

The spelling of 49913739 in words is "forty-nine million, nine hundred thirteen thousand, seven hundred thirty-nine".