545565431 has 8 divisors (see below), whose sum is σ = 547703184. Its totient is φ = 543432960.

The previous prime is 545565413. The next prime is 545565473. The reversal of 545565431 is 134565545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 545565431 - 2¹⁰ = 545564407 is a prime.

It is a super-2 number, since 2×545565431² = 595283279004431522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545565731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394361 + ... + 395741.

It is an arithmetic number, because the mean of its divisors is an integer number (68462898).

Almost surely, 2^545565431 is an apocalyptic number.

545565431 is a deficient number, since it is larger than the sum of its proper divisors (2137753).

545565431 is a wasteful number, since it uses less digits than its factorization.

545565431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2641.

The product of its digits is 180000, while the sum is 38.

The square root of 545565431 is about 23357.3421219110. The cubic root of 545565431 is about 817.1133035068.

The spelling of 545565431 in words is "five hundred forty-five million, five hundred sixty-five thousand, four hundred thirty-one".