49621365 has 24 divisors (see below), whose sum is σ = 87425208. Its totient is φ = 26029440.

The previous prime is 49621343. The next prime is 49621379. The reversal of 49621365 is 56312694.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5225796 + 44395569 = 2286^2 + 6663^2 .

It is not a de Polignac number, because 49621365 - 2⁸ = 49621109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6294 + ... + 11783.

It is an arithmetic number, because the mean of its divisors is an integer number (3642717).

Almost surely, 2^49621365 is an apocalyptic number.

49621365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49621365 is a deficient number, since it is larger than the sum of its proper divisors (37803843).

49621365 is a wasteful number, since it uses less digits than its factorization.

49621365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18149 (or 18146 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 49621365 is about 7044.2433944321. The cubic root of 49621365 is about 367.4708570532.

The spelling of 49621365 in words is "forty-nine million, six hundred twenty-one thousand, three hundred sixty-five".