42915583 has 4 divisors (see below), whose sum is σ = 42972160. Its totient is φ = 42859008.

The previous prime is 42915581. The next prime is 42915611. The reversal of 42915583 is 38551924.

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 42915583 - 2¹ = 42915581 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 (42915581) 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, 27135 + ... + 28672.

It is an arithmetic number, because the mean of its divisors is an integer number (10743040).

Almost surely, 2^42915583 is an apocalyptic number.

42915583 is a deficient number, since it is larger than the sum of its proper divisors (56577).

42915583 is an equidigital number, since it uses as much as digits as its factorization.

42915583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56576.

The product of its digits is 43200, while the sum is 37.

The square root of 42915583 is about 6550.9986261638. The cubic root of 42915583 is about 350.1103951081.

The spelling of 42915583 in words is "forty-two million, nine hundred fifteen thousand, five hundred eighty-three".