556340526 has 24 divisors (see below), whose sum is σ = 1377605424. Its totient is φ = 158954400.

The previous prime is 556340509. The next prime is 556340527. The reversal of 556340526 is 625043655.

It is a happy number.

556340526 is a `hidden beast` number, since 5 + 563 + 40 + 52 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556340527) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2207575 + ... + 2207826.

It is an arithmetic number, because the mean of its divisors is an integer number (57400226).

Almost surely, 2^556340526 is an apocalyptic number.

556340526 is an abundant number, since it is smaller than the sum of its proper divisors (821264898).

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

556340526 is a wasteful number, since it uses less digits than its factorization.

556340526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4415416 (or 4415413 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 556340526 is about 23586.8718994274. The cubic root of 556340526 is about 822.4576899489.

The spelling of 556340526 in words is "five hundred fifty-six million, three hundred forty thousand, five hundred twenty-six".