545269788 has 144 divisors (see below), whose sum is σ = 1638547456. Its totient is φ = 149610240.

The previous prime is 545269759. The next prime is 545269807. The reversal of 545269788 is 887962545.

545269788 is a `hidden beast` number, since 545 + 2 + 6 + 97 + 8 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1741920 + ... + 1742232.

Almost surely, 2^545269788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545269788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (819273728).

545269788 is an abundant number, since it is smaller than the sum of its proper divisors (1093277668).

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

545269788 is a wasteful number, since it uses less digits than its factorization.

545269788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 579 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The square root of 545269788 is about 23351.0125690515. The cubic root of 545269788 is about 816.9656783921.

The spelling of 545269788 in words is "five hundred forty-five million, two hundred sixty-nine thousand, seven hundred eighty-eight".