49994749 has 6 divisors (see below), whose sum is σ = 58157214. Its totient is φ = 42852600.

The previous prime is 49994731. The next prime is 49994759. The reversal of 49994749 is 94749994.

It can be written as a sum of positive squares in only one way, i.e., 48511225 + 1483524 = 6965^2 + 1218^2 .

It is not a de Polignac number, because 49994749 - 2⁵ = 49994717 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49994749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49994729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 510102 + ... + 510199.

It is an arithmetic number, because the mean of its divisors is an integer number (9692869).

Almost surely, 2^49994749 is an apocalyptic number.

49994749 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

49994749 is a deficient number, since it is larger than the sum of its proper divisors (8162465).

49994749 is a wasteful number, since it uses less digits than its factorization.

49994749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020315 (or 1020308 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 55.

The square root of 49994749 is about 7070.6965003456. The cubic root of 49994749 is about 368.3902528463.

The spelling of 49994749 in words is "forty-nine million, nine hundred ninety-four thousand, seven hundred forty-nine".