556351494 has 16 divisors (see below), whose sum is σ = 1133698032. Its totient is φ = 181951328.

The previous prime is 556351489. The next prime is 556351517. The reversal of 556351494 is 494153655.

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, 874449 + ... + 875084.

It is an arithmetic number, because the mean of its divisors is an integer number (70856127).

Almost surely, 2^556351494 is an apocalyptic number.

556351494 is an abundant number, since it is smaller than the sum of its proper divisors (577346538).

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

556351494 is a wasteful number, since it uses less digits than its factorization.

556351494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749591.

The product of its digits is 324000, while the sum is 42.

The square root of 556351494 is about 23587.1044004982. The cubic root of 556351494 is about 822.4630947062.

The spelling of 556351494 in words is "five hundred fifty-six million, three hundred fifty-one thousand, four hundred ninety-four".