553887 has 6 divisors (see below), whose sum is σ = 800072. Its totient is φ = 369252.

The previous prime is 553873. The next prime is 553897. The reversal of 553887 is 788355.

It is a happy number.

It is not a de Polignac number, because 553887 - 2⁷ = 553759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (553837) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30763 + ... + 30780.

2⁵⁵³⁸⁸⁷ is an apocalyptic number.

553887 is a deficient number, since it is larger than the sum of its proper divisors (246185).

553887 is a wasteful number, since it uses less digits than its factorization.

553887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61549 (or 61546 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 553887 is about 744.2358497143. The cubic root of 553887 is about 82.1246863759.

It can be divided in two parts, 5538 and 87, that added together give a square (5625 = 75²).

The spelling of 553887 in words is "five hundred fifty-three thousand, eight hundred eighty-seven".