49965810 has 16 divisors (see below), whose sum is σ = 119918016. Its totient is φ = 13324208.

The previous prime is 49965787. The next prime is 49965827. The reversal of 49965810 is 1856994.

49965810 is nontrivially palindromic in base 16.

It is a super-2 number, since 2×49965810² = 4993164337912200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 832734 + ... + 832793.

It is an arithmetic number, because the mean of its divisors is an integer number (7494876).

Almost surely, 2^49965810 is an apocalyptic number.

49965810 is an abundant number, since it is smaller than the sum of its proper divisors (69952206).

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

49965810 is a wasteful number, since it uses less digits than its factorization.

49965810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665537.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 49965810 is about 7068.6498003508. The cubic root of 49965810 is about 368.3191593589.

The spelling of 49965810 in words is "forty-nine million, nine hundred sixty-five thousand, eight hundred ten".