49989748 has 12 divisors (see below), whose sum is σ = 88348932. Its totient is φ = 24747200.

The previous prime is 49989739. The next prime is 49989749. The reversal of 49989748 is 84798994.

It can be written as a sum of positive squares in 2 ways, for example, as 47499664 + 2490084 = 6892^2 + 1578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49989692 and 49989701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49989749) 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, 61465 + ... + 62272.

It is an arithmetic number, because the mean of its divisors is an integer number (7362411).

Almost surely, 2^49989748 is an apocalyptic number.

It is an amenable number.

49989748 is a deficient number, since it is larger than the sum of its proper divisors (38359184).

49989748 is a wasteful number, since it uses less digits than its factorization.

49989748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123842 (or 123840 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 58.

The square root of 49989748 is about 7070.3428488299. The cubic root of 49989748 is about 368.3779690157.

The spelling of 49989748 in words is "forty-nine million, nine hundred eighty-nine thousand, seven hundred forty-eight".