545893992 has 160 divisors (see below), whose sum is σ = 1761217920. Its totient is φ = 154742400.

The previous prime is 545893979. The next prime is 545893993. The reversal of 545893992 is 299398545.

It is a happy number.

545893992 is a `hidden beast` number, since 54 + 589 + 3 + 9 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

Its product of digits (3499200) is a multiple of the sum of its prime divisors (960).

It is not an unprimeable number, because it can be changed into a prime (545893993) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 684538 + ... + 685334.

It is an arithmetic number, because the mean of its divisors is an integer number (11007612).

Almost surely, 2^545893992 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 545893992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880608960).

545893992 is an abundant number, since it is smaller than the sum of its proper divisors (1215323928).

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

545893992 is a wasteful number, since it uses less digits than its factorization.

545893992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 973 (or 960 counting only the distinct ones).

The product of its digits is 3499200, while the sum is 54.

The square root of 545893992 is about 23364.3744191879. The cubic root of 545893992 is about 817.2773031985.

The spelling of 545893992 in words is "five hundred forty-five million, eight hundred ninety-three thousand, nine hundred ninety-two".