45500050581 has 16 divisors (see below), whose sum is σ = 60811430400. Its totient is φ = 30261091568.

The previous prime is 45500050559. The next prime is 45500050597. The reversal of 45500050581 is 18505000554.

It is a cyclic number.

It is not a de Polignac number, because 45500050581 - 2⁶ = 45500050517 is a prime.

It is a super-2 number, since 2×45500050581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45500050381) 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, 2843080 + ... + 2859038.

It is an arithmetic number, because the mean of its divisors is an integer number (3800714400).

Almost surely, 2^45500050581 is an apocalyptic number.

It is an amenable number.

45500050581 is a deficient number, since it is larger than the sum of its proper divisors (15311379819).

45500050581 is a wasteful number, since it uses less digits than its factorization.

45500050581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18168.

The product of its (nonzero) digits is 20000, while the sum is 33.

The spelling of 45500050581 in words is "forty-five billion, five hundred million, fifty thousand, five hundred eighty-one".