49861099 has 4 divisors (see below), whose sum is σ = 50563440. Its totient is φ = 49158760.

The previous prime is 49861081. The next prime is 49861109. The reversal of 49861099 is 99016894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99016894 = 2 ⋅49508447.

It is a cyclic number.

It is not a de Polignac number, because 49861099 - 2⁵ = 49861067 is a prime.

It is a super-2 number, since 2×49861099² = 4972258386975602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49861039) 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, 351064 + ... + 351205.

It is an arithmetic number, because the mean of its divisors is an integer number (12640860).

Almost surely, 2^49861099 is an apocalyptic number.

49861099 is a deficient number, since it is larger than the sum of its proper divisors (702341).

49861099 is an equidigital number, since it uses as much as digits as its factorization.

49861099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 702340.

The product of its (nonzero) digits is 139968, while the sum is 46.

The square root of 49861099 is about 7061.2391971948. The cubic root of 49861099 is about 368.0616897014.

The spelling of 49861099 in words is "forty-nine million, eight hundred sixty-one thousand, ninety-nine".