49637899 has 4 divisors (see below), whose sum is σ = 52250440. Its totient is φ = 47025360.

The previous prime is 49637869. The next prime is 49637941. The reversal of 49637899 is 99873694.

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

It is a cyclic number.

It is not a de Polignac number, because 49637899 - 2¹⁵ = 49605131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49637869) 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, 1306242 + ... + 1306279.

It is an arithmetic number, because the mean of its divisors is an integer number (13062610).

Almost surely, 2^49637899 is an apocalyptic number.

49637899 is a deficient number, since it is larger than the sum of its proper divisors (2612541).

49637899 is a wasteful number, since it uses less digits than its factorization.

49637899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2612540.

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

The square root of 49637899 is about 7045.4168790782. The cubic root of 49637899 is about 367.5116666819.

The spelling of 49637899 in words is "forty-nine million, six hundred thirty-seven thousand, eight hundred ninety-nine".