539955220 has 24 divisors (see below), whose sum is σ = 1295892864. Its totient is φ = 185127456.

The previous prime is 539955203. The next prime is 539955287. The reversal of 539955220 is 22559935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1928272 + ... + 1928551.

It is an arithmetic number, because the mean of its divisors is an integer number (53995536).

Almost surely, 2^539955220 is an apocalyptic number.

It is an amenable number.

539955220 is an abundant number, since it is smaller than the sum of its proper divisors (755937644).

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

539955220 is a wasteful number, since it uses less digits than its factorization.

539955220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3856839 (or 3856837 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 539955220 is about 23236.9365450784. The cubic root of 539955220 is about 814.3027747968.

The spelling of 539955220 in words is "five hundred thirty-nine million, nine hundred fifty-five thousand, two hundred twenty".