49903037 has 4 divisors (see below), whose sum is σ = 49917756. Its totient is φ = 49888320.

The previous prime is 49903013. The next prime is 49903039. The reversal of 49903037 is 73030994.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73030994 = 2 ⋅36515497.

It can be written as a sum of positive squares in 2 ways, for example, as 29008996 + 20894041 = 5386^2 + 4571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49903037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49902988 and 49903006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49903039) 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, 587 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (12479439).

Almost surely, 2^49903037 is an apocalyptic number.

It is an amenable number.

49903037 is a deficient number, since it is larger than the sum of its proper divisors (14719).

49903037 is an equidigital number, since it uses as much as digits as its factorization.

49903037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14718.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 49903037 is about 7064.2081651095. The cubic root of 49903037 is about 368.1648525933.

The spelling of 49903037 in words is "forty-nine million, nine hundred three thousand, thirty-seven".