553639 has 8 divisors (see below), whose sum is σ = 606960. Its totient is φ = 502656.

The previous prime is 553627. The next prime is 553643. The reversal of 553639 is 936355.

553639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 553639 - 2⁵ = 553607 is a prime.

It is a super-2 number, since 2×553639² = 613032284642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 553639.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69 + ... + 1054.

It is an arithmetic number, because the mean of its divisors is an integer number (75870).

2⁵⁵³⁶³⁹ is an apocalyptic number.

553639 is a deficient number, since it is larger than the sum of its proper divisors (53321).

553639 is a wasteful number, since it uses less digits than its factorization.

553639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1169.

The product of its digits is 12150, while the sum is 31.

The square root of 553639 is about 744.0692172103. The cubic root of 553639 is about 82.1124275802.

The spelling of 553639 in words is "five hundred fifty-three thousand, six hundred thirty-nine".