545656567 has 2 divisors, whose sum is σ = 545656568. Its totient is φ = 545656566.

The previous prime is 545656549. The next prime is 545656591. The reversal of 545656567 is 765656545.

545656567 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545656567 - 2¹¹ = 545654519 is a prime.

It is a super-2 number, since 2×545656567² = 595482178220450978, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 545656567.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545656967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272828283 + 272828284.

It is an arithmetic number, because the mean of its divisors is an integer number (272828284).

Almost surely, 2^545656567 is an apocalyptic number.

545656567 is a deficient number, since it is larger than the sum of its proper divisors (1).

545656567 is an equidigital number, since it uses as much as digits as its factorization.

545656567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780000, while the sum is 49.

The square root of 545656567 is about 23359.2929473475. The cubic root of 545656567 is about 817.1588002139.

The spelling of 545656567 in words is "five hundred forty-five million, six hundred fifty-six thousand, five hundred sixty-seven".