45536561 has 16 divisors (see below), whose sum is σ = 54044160. Its totient is φ = 37558080.

The previous prime is 45536537. The next prime is 45536563. The reversal of 45536561 is 16563554.

It is not a de Polignac number, because 45536561 - 2⁶ = 45536497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45536563) 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, 18935 + ... + 21203.

It is an arithmetic number, because the mean of its divisors is an integer number (3377760).

Almost surely, 2^45536561 is an apocalyptic number.

It is an amenable number.

45536561 is a deficient number, since it is larger than the sum of its proper divisors (8507599).

45536561 is a wasteful number, since it uses less digits than its factorization.

45536561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384.

The product of its digits is 54000, while the sum is 35.

The square root of 45536561 is about 6748.0783190476. The cubic root of 45536561 is about 357.0974450678.

The spelling of 45536561 in words is "forty-five million, five hundred thirty-six thousand, five hundred sixty-one".