554638 has 16 divisors (see below), whose sum is σ = 960480. Its totient is φ = 235296.

The previous prime is 554633. The next prime is 554639. The reversal of 554638 is 836455.

554638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×554638² = 615246622088, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554633) by changing a digit.

554638 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 7 ways as a sum of consecutive naturals, for example, 2308 + ... + 2536.

It is an arithmetic number, because the mean of its divisors is an integer number (60030).

2⁵⁵⁴⁶³⁸ is an apocalyptic number.

554638 is a deficient number, since it is larger than the sum of its proper divisors (405842).

554638 is a wasteful number, since it uses less digits than its factorization.

554638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its digits is 14400, while the sum is 31.

The square root of 554638 is about 744.7402231651. The cubic root of 554638 is about 82.1617864738.

The spelling of 554638 in words is "five hundred fifty-four thousand, six hundred thirty-eight".