49620899 has 4 divisors (see below), whose sum is σ = 50060136. Its totient is φ = 49181664.

The previous prime is 49620889. The next prime is 49620911. The reversal of 49620899 is 99802694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99802694 = 2 ⋅49901347.

It is a cyclic number.

It is not a de Polignac number, because 49620899 - 2⁸ = 49620643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49620859) 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, 219449 + ... + 219674.

It is an arithmetic number, because the mean of its divisors is an integer number (12515034).

Almost surely, 2^49620899 is an apocalyptic number.

49620899 is a deficient number, since it is larger than the sum of its proper divisors (439237).

49620899 is a wasteful number, since it uses less digits than its factorization.

49620899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439236.

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 49620899 is about 7044.2103177006. The cubic root of 49620899 is about 367.4697067291.

The spelling of 49620899 in words is "forty-nine million, six hundred twenty thousand, eight hundred ninety-nine".