45560991 has 8 divisors (see below), whose sum is σ = 69426304. Its totient is φ = 26034840.

The previous prime is 45560989. The next prime is 45561007. The reversal of 45560991 is 19906554.

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

It is not a de Polignac number, because 45560991 - 2¹ = 45560989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45560971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1084765 + ... + 1084806.

It is an arithmetic number, because the mean of its divisors is an integer number (8678288).

Almost surely, 2^45560991 is an apocalyptic number.

45560991 is a deficient number, since it is larger than the sum of its proper divisors (23865313).

45560991 is a wasteful number, since it uses less digits than its factorization.

45560991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2169581.

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 45560991 is about 6749.8882212967. Note that the first 3 decimals coincide. The cubic root of 45560991 is about 357.1612936235.

The spelling of 45560991 in words is "forty-five million, five hundred sixty thousand, nine hundred ninety-one".