49820799 has 24 divisors (see below), whose sum is σ = 78928128. Its totient is φ = 27859440.

The previous prime is 49820779. The next prime is 49820801. The reversal of 49820799 is 99702894.

It is a happy number.

It is not a de Polignac number, because 49820799 - 2¹¹ = 49818751 is a prime.

It is a super-2 number, since 2×49820799² = 4964224025996802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3304 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (3288672).

Almost surely, 2^49820799 is an apocalyptic number.

49820799 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

49820799 is a deficient number, since it is larger than the sum of its proper divisors (29107329).

49820799 is a wasteful number, since it uses less digits than its factorization.

49820799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275 (or 7268 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 48.

The square root of 49820799 is about 7058.3850135849. The cubic root of 49820799 is about 367.9625015942.

The spelling of 49820799 in words is "forty-nine million, eight hundred twenty thousand, seven hundred ninety-nine".