553940 has 12 divisors (see below), whose sum is σ = 1163316. Its totient is φ = 221568.

The previous prime is 553933. The next prime is 553961. The reversal of 553940 is 49355.

553940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 75076 + 478864 = 274^2 + 692^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13829 + ... + 13868.

It is an arithmetic number, because the mean of its divisors is an integer number (96943).

2⁵⁵³⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

553940 is an abundant number, since it is smaller than the sum of its proper divisors (609376).

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

553940 is a wasteful number, since it uses less digits than its factorization.

553940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27706 (or 27704 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 553940 is about 744.2714558546. The cubic root of 553940 is about 82.1273057246.

The spelling of 553940 in words is "five hundred fifty-three thousand, nine hundred forty".