556332330 has 32 divisors (see below), whose sum is σ = 1336593600. Its totient is φ = 148200192.

The previous prime is 556332313. The next prime is 556332347. The reversal of 556332330 is 33233655.

It is an interprime number because it is at equal distance from previous prime (556332313) and next prime (556332347).

It is a super-2 number, since 2×556332330² = 619011322806457800, which contains 22 as substring.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21081 + ... + 39459.

It is an arithmetic number, because the mean of its divisors is an integer number (41768550).

Almost surely, 2^556332330 is an apocalyptic number.

556332330 is an abundant number, since it is smaller than the sum of its proper divisors (780261270).

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

556332330 is a wasteful number, since it uses less digits than its factorization.

556332330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19398.

The product of its (nonzero) digits is 24300, while the sum is 30.

The square root of 556332330 is about 23586.6981580721. The cubic root of 556332330 is about 822.4536511177.

Adding to 556332330 its reverse (33233655), we get a palindrome (589565985).

The spelling of 556332330 in words is "five hundred fifty-six million, three hundred thirty-two thousand, three hundred thirty".