556351536 has 80 divisors (see below), whose sum is σ = 1589696864. Its totient is φ = 166551552.

The previous prime is 556351519. The next prime is 556351561. The reversal of 556351536 is 635153655.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 556351494 and 556351503.

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, 11040 + ... + 35136.

Almost surely, 2^556351536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556351536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794848432).

556351536 is an abundant number, since it is smaller than the sum of its proper divisors (1033345328).

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

556351536 is a wasteful number, since it uses less digits than its factorization.

556351536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24158 (or 24152 counting only the distinct ones).

The product of its digits is 202500, while the sum is 39.

The square root of 556351536 is about 23587.1052908151. The cubic root of 556351536 is about 822.4631154026.

The spelling of 556351536 in words is "five hundred fifty-six million, three hundred fifty-one thousand, five hundred thirty-six".