553266 has 24 divisors (see below), whose sum is σ = 1370304. Its totient is φ = 158040.

The previous prime is 553253. The next prime is 553277. The reversal of 553266 is 662355.

It is a super-2 number, since 2×553266² = 612206533512, which contains 22 as substring.

It is an unprimeable number.

553266 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2070 + ... + 2321.

It is an arithmetic number, because the mean of its divisors is an integer number (57096).

2⁵⁵³²⁶⁶ is an apocalyptic number.

553266 is an abundant number, since it is smaller than the sum of its proper divisors (817038).

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

553266 is a wasteful number, since it uses less digits than its factorization.

553266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406 (or 4403 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 553266 is about 743.8185262549. The cubic root of 553266 is about 82.0939830605.

It can be divided in two parts, 55 and 3266, that added together give a triangular number (3321 = T₈₁).

The spelling of 553266 in words is "five hundred fifty-three thousand, two hundred sixty-six".