556013634 has 24 divisors (see below), whose sum is σ = 1222312560. Its totient is φ = 168488760.

The previous prime is 556013617. The next prime is 556013639. The reversal of 556013634 is 436310655.

It is a super-2 number, since 2×556013634² = 618302322387771912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 556013595 and 556013604.

It is not an unprimeable number, because it can be changed into a prime (556013639) 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, 382204 + ... + 383655.

It is an arithmetic number, because the mean of its divisors is an integer number (50929690).

Almost surely, 2^556013634 is an apocalyptic number.

556013634 is an abundant number, since it is smaller than the sum of its proper divisors (666298926).

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

556013634 is a wasteful number, since it uses less digits than its factorization.

556013634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765886 (or 765875 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 556013634 is about 23579.9413485276. The cubic root of 556013634 is about 822.2965730901.

The spelling of 556013634 in words is "five hundred fifty-six million, thirteen thousand, six hundred thirty-four".