45597589 has 4 divisors (see below), whose sum is σ = 45760140. Its totient is φ = 45435040.

The previous prime is 45597581. The next prime is 45597623. The reversal of 45597589 is 98579554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 98579554 = 2 ⋅49289777.

It can be written as a sum of positive squares in 2 ways, for example, as 16080100 + 29517489 = 4010^2 + 5433^2 .

It is a cyclic number.

It is not a de Polignac number, because 45597589 - 2³ = 45597581 is a prime.

It is a super-2 number, since 2×45597589² = 4158280245225842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45597581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80854 + ... + 81415.

It is an arithmetic number, because the mean of its divisors is an integer number (11440035).

Almost surely, 2^45597589 is an apocalyptic number.

It is an amenable number.

45597589 is a deficient number, since it is larger than the sum of its proper divisors (162551).

45597589 is a wasteful number, since it uses less digits than its factorization.

45597589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162550.

The product of its digits is 2268000, while the sum is 52.

The square root of 45597589 is about 6752.5986849509. The cubic root of 45597589 is about 357.2569009279.

The spelling of 45597589 in words is "forty-five million, five hundred ninety-seven thousand, five hundred eighty-nine".