49920858 has 24 divisors (see below), whose sum is σ = 116482548. Its totient is φ = 15360192.

The previous prime is 49920851. The next prime is 49920883. The reversal of 49920858 is 85802994.

It can be written as a sum of positive squares in 2 ways, for example, as 41951529 + 7969329 = 6477^2 + 2823^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49920851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106435 + ... + 106902.

Almost surely, 2^49920858 is an apocalyptic number.

49920858 is an abundant number, since it is smaller than the sum of its proper divisors (66561690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49920858 is a wasteful number, since it uses less digits than its factorization.

49920858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213358 (or 213355 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 49920858 is about 7065.4694111573. The cubic root of 49920858 is about 368.2086728053.

The spelling of 49920858 in words is "forty-nine million, nine hundred twenty thousand, eight hundred fifty-eight".