556034820 has 48 divisors (see below), whose sum is σ = 1698435648. Its totient is φ = 134796160.

The previous prime is 556034789. The next prime is 556034851. The reversal of 556034820 is 28430655.

It is an interprime number because it is at equal distance from previous prime (556034789) and next prime (556034851).

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 420579 + ... + 421898.

It is an arithmetic number, because the mean of its divisors is an integer number (35384076).

Almost surely, 2^556034820 is an apocalyptic number.

It is an amenable number.

556034820 is an abundant number, since it is smaller than the sum of its proper divisors (1142400828).

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

556034820 is a wasteful number, since it uses less digits than its factorization.

556034820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842500 (or 842498 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 556034820 is about 23580.3905820069. The cubic root of 556034820 is about 822.3070170510.

The spelling of 556034820 in words is "five hundred fifty-six million, thirty-four thousand, eight hundred twenty".