553988 has 6 divisors (see below), whose sum is σ = 969486. Its totient is φ = 276992.

The previous prime is 553981. The next prime is 553991. The reversal of 553988 is 889355.

It can be written as a sum of positive squares in only one way, i.e., 315844 + 238144 = 562^2 + 488^2 .

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 553988.

It is not an unprimeable number, because it can be changed into a prime (553981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69245 + ... + 69252.

It is an arithmetic number, because the mean of its divisors is an integer number (161581).

2⁵⁵³⁹⁸⁸ is an apocalyptic number.

It is an amenable number.

553988 is a deficient number, since it is larger than the sum of its proper divisors (415498).

553988 is a wasteful number, since it uses less digits than its factorization.

553988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138501 (or 138499 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 553988 is about 744.3037014553. The cubic root of 553988 is about 82.1296778208.

The spelling of 553988 in words is "five hundred fifty-three thousand, nine hundred eighty-eight".