545717928 has 64 divisors (see below), whose sum is σ = 1581189120. Its totient is φ = 153720000.

The previous prime is 545717927. The next prime is 545717971. The reversal of 545717928 is 829717545.

It is a super-2 number, since 2×545717928² = 595616113881226368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (545717927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10948 + ... + 34803.

It is an arithmetic number, because the mean of its divisors is an integer number (24706080).

Almost surely, 2^545717928 is an apocalyptic number.

It is an amenable number.

545717928 is an abundant number, since it is smaller than the sum of its proper divisors (1035471192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

545717928 is a wasteful number, since it uses less digits than its factorization.

545717928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45838 (or 45834 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 545717928 is about 23360.6063277476. The cubic root of 545717928 is about 817.1894298594.

It can be divided in two parts, 545717 and 928, that added together give a palindrome (546645).

The spelling of 545717928 in words is "five hundred forty-five million, seven hundred seventeen thousand, nine hundred twenty-eight".