539654820 has 48 divisors (see below), whose sum is σ = 1559781888. Its totient is φ = 139265280.

The previous prime is 539654813. The next prime is 539654831. The reversal of 539654820 is 28456935.

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, 143209 + ... + 146928.

It is an arithmetic number, because the mean of its divisors is an integer number (32495456).

Almost surely, 2^539654820 is an apocalyptic number.

It is an amenable number.

539654820 is an abundant number, since it is smaller than the sum of its proper divisors (1020127068).

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

539654820 is a wasteful number, since it uses less digits than its factorization.

539654820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290180 (or 290178 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The square root of 539654820 is about 23230.4717989110. The cubic root of 539654820 is about 814.1517363884.

It can be divided in two parts, 53965 and 4820, that added together give a palindrome (58785).

The spelling of 539654820 in words is "five hundred thirty-nine million, six hundred fifty-four thousand, eight hundred twenty".