543522540 has 48 divisors (see below), whose sum is σ = 1660216320. Its totient is φ = 131762880.

The previous prime is 543522533. The next prime is 543522587. The reversal of 543522540 is 45225345.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 543522498 and 543522507.

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, 411100 + ... + 412419.

It is an arithmetic number, because the mean of its divisors is an integer number (34587840).

Almost surely, 2^543522540 is an apocalyptic number.

It is an amenable number.

543522540 is an abundant number, since it is smaller than the sum of its proper divisors (1116693780).

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

543522540 is a wasteful number, since it uses less digits than its factorization.

543522540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823542 (or 823540 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 543522540 is about 23313.5698682119. The cubic root of 543522540 is about 816.0921236341.

Adding to 543522540 its reverse (45225345), we get a palindrome (588747885).

The spelling of 543522540 in words is "five hundred forty-three million, five hundred twenty-two thousand, five hundred forty".