545787659 has 4 divisors (see below), whose sum is σ = 545897304. Its totient is φ = 545678016.

The previous prime is 545787637. The next prime is 545787709. The reversal of 545787659 is 956787545.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545787659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545787959) 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, 46982 + ... + 57435.

It is an arithmetic number, because the mean of its divisors is an integer number (136474326).

Almost surely, 2^545787659 is an apocalyptic number.

545787659 is a deficient number, since it is larger than the sum of its proper divisors (109645).

545787659 is a wasteful number, since it uses less digits than its factorization.

545787659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109644.

The product of its digits is 10584000, while the sum is 56.

The square root of 545787659 is about 23362.0987713005. The cubic root of 545787659 is about 817.2242347811.

The spelling of 545787659 in words is "five hundred forty-five million, seven hundred eighty-seven thousand, six hundred fifty-nine".