45555839 has 12 divisors (see below), whose sum is σ = 54822600. Its totient is φ = 37700208.

The previous prime is 45555827. The next prime is 45555859. The reversal of 45555839 is 93855554.

It is not a de Polignac number, because 45555839 - 2⁴ = 45555823 is a prime.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45555839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45555859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14609 + ... + 17450.

It is an arithmetic number, because the mean of its divisors is an integer number (4568550).

Almost surely, 2^45555839 is an apocalyptic number.

45555839 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

45555839 is a deficient number, since it is larger than the sum of its proper divisors (9266761).

45555839 is a wasteful number, since it uses less digits than its factorization.

45555839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32102 (or 32095 counting only the distinct ones).

The product of its digits is 540000, while the sum is 44.

The square root of 45555839 is about 6749.5065745579. The cubic root of 45555839 is about 357.1478306126.

The spelling of 45555839 in words is "forty-five million, five hundred fifty-five thousand, eight hundred thirty-nine".