552531 has 16 divisors (see below), whose sum is σ = 854784. Its totient is φ = 310944.

The previous prime is 552527. The next prime is 552553. The reversal of 552531 is 135255.

552531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 552531 - 2² = 552527 is a prime.

It is a super-2 number, since 2×552531² = 610581011922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 552498 and 552507.

It is not an unprimeable number, because it can be changed into a prime (552511) 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, 1585 + ... + 1901.

It is an arithmetic number, because the mean of its divisors is an integer number (53424).

2⁵⁵²⁵³¹ is an apocalyptic number.

552531 is a deficient number, since it is larger than the sum of its proper divisors (302253).

552531 is a wasteful number, since it uses less digits than its factorization.

552531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 410.

The product of its digits is 750, while the sum is 21.

The square root of 552531 is about 743.3242899300. The cubic root of 552531 is about 82.0576136849.

Adding to 552531 its reverse (135255), we get a palindrome (687786).

The spelling of 552531 in words is "five hundred fifty-two thousand, five hundred thirty-one".