49965645 has 16 divisors (see below), whose sum is σ = 82524672. Its totient is φ = 25788480.

The previous prime is 49965607. The next prime is 49965659. The reversal of 49965645 is 54656994.

It is not a de Polignac number, because 49965645 - 2¹⁸ = 49703501 is a prime.

It is a super-3 number, since 3×49965645³ (a number of 24 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 49965594 and 49965603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53262 + ... + 54191.

It is an arithmetic number, because the mean of its divisors is an integer number (5157792).

Almost surely, 2^49965645 is an apocalyptic number.

It is an amenable number.

49965645 is a deficient number, since it is larger than the sum of its proper divisors (32559027).

49965645 is a wasteful number, since it uses less digits than its factorization.

49965645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107492.

The product of its digits is 1166400, while the sum is 48.

The square root of 49965645 is about 7068.6381290882. The cubic root of 49965645 is about 368.3187539302.

The spelling of 49965645 in words is "forty-nine million, nine hundred sixty-five thousand, six hundred forty-five".