49499738 has 4 divisors (see below), whose sum is σ = 74249610. Its totient is φ = 24749868.

The previous prime is 49499729. The next prime is 49499783. The reversal of 49499738 is 83799494.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30724849 + 18774889 = 5543^2 + 4333^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49499738.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12374933 + ... + 12374936.

Almost surely, 2^49499738 is an apocalyptic number.

49499738 is a deficient number, since it is larger than the sum of its proper divisors (24749872).

49499738 is a wasteful number, since it uses less digits than its factorization.

49499738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24749871.

The product of its digits is 1959552, while the sum is 53.

The square root of 49499738 is about 7035.6050201813. The cubic root of 49499738 is about 367.1703752979.

The spelling of 49499738 in words is "forty-nine million, four hundred ninety-nine thousand, seven hundred thirty-eight".