556505052 has 12 divisors (see below), whose sum is σ = 1298511816. Its totient is φ = 185501680.

The previous prime is 556505021. The next prime is 556505057. The reversal of 556505052 is 250505655.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556505057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23187699 + ... + 23187722.

It is an arithmetic number, because the mean of its divisors is an integer number (108209318).

Almost surely, 2^556505052 is an apocalyptic number.

It is an amenable number.

556505052 is an abundant number, since it is smaller than the sum of its proper divisors (742006764).

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

556505052 is a wasteful number, since it uses less digits than its factorization.

556505052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46375428 (or 46375426 counting only the distinct ones).

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 556505052 is about 23590.3593020539. The cubic root of 556505052 is about 822.5387568080.

The spelling of 556505052 in words is "five hundred fifty-six million, five hundred five thousand, fifty-two".