556650136 has 64 divisors (see below), whose sum is σ = 1260103680. Its totient is φ = 225469440.

The previous prime is 556650131. The next prime is 556650139. The reversal of 556650136 is 631056655.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 556650095 and 556650104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556650131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70920 + ... + 78376.

It is an arithmetic number, because the mean of its divisors is an integer number (19689120).

Almost surely, 2^556650136 is an apocalyptic number.

556650136 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 556650136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630051840).

556650136 is an abundant number, since it is smaller than the sum of its proper divisors (703453544).

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

556650136 is a wasteful number, since it uses less digits than its factorization.

556650136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7544 (or 7540 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 556650136 is about 23593.4341713961. The cubic root of 556650136 is about 822.6102307587.

The spelling of 556650136 in words is "five hundred fifty-six million, six hundred fifty thousand, one hundred thirty-six".