556913522 has 16 divisors (see below), whose sum is σ = 959277600. Its totient is φ = 239819040.

The previous prime is 556913521. The next prime is 556913527. The reversal of 556913522 is 225319655.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (556913521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665747 + ... + 666582.

It is an arithmetic number, because the mean of its divisors is an integer number (59954850).

Almost surely, 2^556913522 is an apocalyptic number.

556913522 is a deficient number, since it is larger than the sum of its proper divisors (402364078).

556913522 is a wasteful number, since it uses less digits than its factorization.

556913522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332361.

The product of its digits is 81000, while the sum is 38.

The square root of 556913522 is about 23599.0152760661. The cubic root of 556913522 is about 822.7399530868.

It can be divided in two parts, 5569 and 13522, that added together give a palindrome (19091).

The spelling of 556913522 in words is "five hundred fifty-six million, nine hundred thirteen thousand, five hundred twenty-two".