556501494 has 16 divisors (see below), whose sum is σ = 1178473968. Its totient is φ = 174588672.

The previous prime is 556501489. The next prime is 556501523. The reversal of 556501494 is 494105655.

556501494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 2727847 + ... + 2728050.

It is an arithmetic number, because the mean of its divisors is an integer number (73654623).

Almost surely, 2^556501494 is an apocalyptic number.

556501494 is an abundant number, since it is smaller than the sum of its proper divisors (621972474).

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

556501494 is a wasteful number, since it uses less digits than its factorization.

556501494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5455919.

The product of its (nonzero) digits is 108000, while the sum is 39.

The square root of 556501494 is about 23590.2838897712. The cubic root of 556501494 is about 822.5370038445.

The spelling of 556501494 in words is "five hundred fifty-six million, five hundred one thousand, four hundred ninety-four".