545780992 has 36 divisors (see below), whose sum is σ = 1093589056. Its totient is φ = 271848960.

The previous prime is 545780987. The next prime is 545780993. The reversal of 545780992 is 299087545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545780993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65443 + ... + 73309.

Almost surely, 2^545780992 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 545780992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (546794528).

545780992 is an abundant number, since it is smaller than the sum of its proper divisors (547808064).

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

545780992 is an equidigital number, since it uses as much as digits as its factorization.

545780992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154 (or 8140 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 49.

The square root of 545780992 is about 23361.9560824859. The cubic root of 545780992 is about 817.2209072012.

The spelling of 545780992 in words is "five hundred forty-five million, seven hundred eighty thousand, nine hundred ninety-two".