5556523 has 4 divisors (see below), whose sum is σ = 6350320. Its totient is φ = 4762728.

The previous prime is 5556521. The next prime is 5556527. The reversal of 5556523 is 3256555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5556523 - 2¹ = 5556521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396888 + ... + 396901.

It is an arithmetic number, because the mean of its divisors is an integer number (1587580).

Almost surely, 2^5556523 is an apocalyptic number.

5556523 is a deficient number, since it is larger than the sum of its proper divisors (793797).

5556523 is an equidigital number, since it uses as much as digits as its factorization.

5556523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793796.

The product of its digits is 22500, while the sum is 31.

The square root of 5556523 is about 2357.2278209796. The cubic root of 5556523 is about 177.1200415650.

Subtracting from 5556523 its reverse (3256555), we obtain a cube (2299968 = 132³).

The spelling of 5556523 in words is "five million, five hundred fifty-six thousand, five hundred twenty-three".