5556531 has 16 divisors (see below), whose sum is σ = 7914240. Its totient is φ = 3457440.

The previous prime is 5556527. The next prime is 5556539. The reversal of 5556531 is 1356555.

5556531 = 244² + 245² + ... + 314².

It is not a de Polignac number, because 5556531 - 2² = 5556527 is a prime.

It is a super-2 number, since 2×5556531² = 61750073507922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5556539) 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 15 ways as a sum of consecutive naturals, for example, 3361 + ... + 4733.

It is an arithmetic number, because the mean of its divisors is an integer number (494640).

Almost surely, 2^5556531 is an apocalyptic number.

5556531 is a deficient number, since it is larger than the sum of its proper divisors (2357709).

5556531 is a wasteful number, since it uses less digits than its factorization.

5556531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466.

The product of its digits is 11250, while the sum is 30.

The square root of 5556531 is about 2357.2295178875. The cubic root of 5556531 is about 177.1201265678.

The spelling of 5556531 in words is "five million, five hundred fifty-six thousand, five hundred thirty-one".