49920899 has 8 divisors (see below), whose sum is σ = 57178368. Its totient is φ = 42694920.

The previous prime is 49920883. The next prime is 49920911. The reversal of 49920899 is 99802994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49920899 - 2⁴ = 49920883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49920799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4367 + ... + 10904.

It is an arithmetic number, because the mean of its divisors is an integer number (7147296).

Almost surely, 2^49920899 is an apocalyptic number.

49920899 is a deficient number, since it is larger than the sum of its proper divisors (7257469).

49920899 is a wasteful number, since it uses less digits than its factorization.

49920899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 419904, while the sum is 50.

The square root of 49920899 is about 7065.4723125917. The cubic root of 49920899 is about 368.2087736086.

The spelling of 49920899 in words is "forty-nine million, nine hundred twenty thousand, eight hundred ninety-nine".