545918382 has 48 divisors (see below), whose sum is σ = 1269609120. Its totient is φ = 168915456.

The previous prime is 545918377. The next prime is 545918447. The reversal of 545918382 is 283819545.

545918382 is a `hidden beast` number, since 54 + 591 + 8 + 3 + 8 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10119 + ... + 34557.

It is an arithmetic number, because the mean of its divisors is an integer number (26450190).

Almost surely, 2^545918382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 545918382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634804560).

545918382 is an abundant number, since it is smaller than the sum of its proper divisors (723690738).

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

545918382 is a wasteful number, since it uses less digits than its factorization.

545918382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24537 (or 24534 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 545918382 is about 23364.8963618502. The cubic root of 545918382 is about 817.2894747293.

The spelling of 545918382 in words is "five hundred forty-five million, nine hundred eighteen thousand, three hundred eighty-two".