545599428 has 48 divisors (see below), whose sum is σ = 1470498624. Its totient is φ = 155607040.

The previous prime is 545599403. The next prime is 545599451. The reversal of 545599428 is 824995545.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119325 + ... + 123812.

It is an arithmetic number, because the mean of its divisors is an integer number (30635388).

Almost surely, 2^545599428 is an apocalyptic number.

It is an amenable number.

545599428 is an abundant number, since it is smaller than the sum of its proper divisors (924899196).

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

545599428 is a wasteful number, since it uses less digits than its factorization.

545599428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243172 (or 243170 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 51.

The square root of 545599428 is about 23358.0698688911. The cubic root of 545599428 is about 817.1302760045.

The spelling of 545599428 in words is "five hundred forty-five million, five hundred ninety-nine thousand, four hundred twenty-eight".