552638 has 4 divisors (see below), whose sum is σ = 828960. Its totient is φ = 276318.

The previous prime is 552611. The next prime is 552649. The reversal of 552638 is 836255.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 552638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 138158 + ... + 138161.

It is an arithmetic number, because the mean of its divisors is an integer number (207240).

2⁵⁵²⁶³⁸ is an apocalyptic number.

552638 is a deficient number, since it is larger than the sum of its proper divisors (276322).

552638 is a wasteful number, since it uses less digits than its factorization.

552638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 276321.

The product of its digits is 7200, while the sum is 29.

The square root of 552638 is about 743.3962604157. The cubic root of 552638 is about 82.0629102794.

The spelling of 552638 in words is "five hundred fifty-two thousand, six hundred thirty-eight".