545457868 has 24 divisors (see below), whose sum is σ = 989679600. Its totient is φ = 262734528.

The previous prime is 545457817. The next prime is 545457911. The reversal of 545457868 is 868754545.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49138 + ... + 59206.

It is an arithmetic number, because the mean of its divisors is an integer number (41236650).

Almost surely, 2^545457868 is an apocalyptic number.

545457868 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

545457868 is a deficient number, since it is larger than the sum of its proper divisors (444221732).

545457868 is a wasteful number, since it uses less digits than its factorization.

545457868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10569 (or 10567 counting only the distinct ones).

The product of its digits is 5376000, while the sum is 52.

The square root of 545457868 is about 23355.0394561859. The cubic root of 545457868 is about 817.0595996306.

The spelling of 545457868 in words is "five hundred forty-five million, four hundred fifty-seven thousand, eight hundred sixty-eight".