552090 has 64 divisors (see below), whose sum is σ = 1658880. Its totient is φ = 114240.

The previous prime is 552089. The next prime is 552091. The reversal of 552090 is 90255.

552090 = 88² + 89² + ... + 132².

It is an interprime number because it is at equal distance from previous prime (552089) and next prime (552091).

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

It is not an unprimeable number, because it can be changed into a prime (552091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2191 + ... + 2429.

It is an arithmetic number, because the mean of its divisors is an integer number (25920).

2⁵⁵²⁰⁹⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 552090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829440).

552090 is an abundant number, since it is smaller than the sum of its proper divisors (1106790).

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

552090 is a wasteful number, since it uses less digits than its factorization.

552090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 552090 is about 743.0275903356. The cubic root of 552090 is about 82.0357765756.

It can be divided in two parts, 55 and 2090, that added together give a triangular number (2145 = T₆₅).

The spelling of 552090 in words is "five hundred fifty-two thousand, ninety".