45555500909 has 16 divisors (see below), whose sum is σ = 46766885760. Its totient is φ = 44357726400.

The previous prime is 45555500869. The next prime is 45555500927. The reversal of 45555500909 is 90900555554.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45555500909 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45555500009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11418287 + ... + 11422275.

It is an arithmetic number, because the mean of its divisors is an integer number (2922930360).

Almost surely, 2^45555500909 is an apocalyptic number.

It is an amenable number.

45555500909 is a deficient number, since it is larger than the sum of its proper divisors (1211384851).

45555500909 is a wasteful number, since it uses less digits than its factorization.

45555500909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5620.

The product of its (nonzero) digits is 1012500, while the sum is 47.

The spelling of 45555500909 in words is "forty-five billion, five hundred fifty-five million, five hundred thousand, nine hundred nine".