45055587 has 8 divisors (see below), whose sum is σ = 60108304. Its totient is φ = 30019968.

The previous prime is 45055583. The next prime is 45055607. The reversal of 45055587 is 78555054.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45055587 - 2² = 45055583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45055583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4383 + ... + 10455.

It is an arithmetic number, because the mean of its divisors is an integer number (7513538).

Almost surely, 2^45055587 is an apocalyptic number.

45055587 is a deficient number, since it is larger than the sum of its proper divisors (15052717).

45055587 is a wasteful number, since it uses less digits than its factorization.

45055587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8549.

The product of its (nonzero) digits is 140000, while the sum is 39.

The square root of 45055587 is about 6712.3458641521. The cubic root of 45055587 is about 355.8357272437.

The spelling of 45055587 in words is "forty-five million, fifty-five thousand, five hundred eighty-seven".