45545587 has 2 divisors, whose sum is σ = 45545588. Its totient is φ = 45545586.

The previous prime is 45545561. The next prime is 45545597. The reversal of 45545587 is 78554554.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45545587 - 2⁷ = 45545459 is a prime.

It is not a weakly prime, because it can be changed into another prime (45545597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22772793 + 22772794.

It is an arithmetic number, because the mean of its divisors is an integer number (22772794).

Almost surely, 2^45545587 is an apocalyptic number.

45545587 is a deficient number, since it is larger than the sum of its proper divisors (1).

45545587 is an equidigital number, since it uses as much as digits as its factorization.

45545587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 560000, while the sum is 43.

The square root of 45545587 is about 6748.7470689010. The cubic root of 45545587 is about 357.1210374555.

The spelling of 45545587 in words is "forty-five million, five hundred forty-five thousand, five hundred eighty-seven".