45540887 has 4 divisors (see below), whose sum is σ = 52046736. Its totient is φ = 39035040.

The previous prime is 45540863. The next prime is 45540889. The reversal of 45540887 is 78804554.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45540887 - 2⁶ = 45540823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45540889) 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, 3252914 + ... + 3252927.

It is an arithmetic number, because the mean of its divisors is an integer number (13011684).

Almost surely, 2^45540887 is an apocalyptic number.

45540887 is a deficient number, since it is larger than the sum of its proper divisors (6505849).

45540887 is an equidigital number, since it uses as much as digits as its factorization.

45540887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6505848.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 45540887 is about 6748.3988471340. The cubic root of 45540887 is about 357.1087528653.

The spelling of 45540887 in words is "forty-five million, five hundred forty thousand, eight hundred eighty-seven".