553867 has 2 divisors, whose sum is σ = 553868. Its totient is φ = 553866.

The previous prime is 553849. The next prime is 553873. The reversal of 553867 is 768355.

It is a happy number.

553867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-553867 is a prime.

553867 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (553837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276933 + 276934.

It is an arithmetic number, because the mean of its divisors is an integer number (276934).

2⁵⁵³⁸⁶⁷ is an apocalyptic number.

553867 is a deficient number, since it is larger than the sum of its proper divisors (1).

553867 is an equidigital number, since it uses as much as digits as its factorization.

553867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 34.

The square root of 553867 is about 744.2224129922. Note that the first 3 decimals coincide. The cubic root of 553867 is about 82.1236978990.

The spelling of 553867 in words is "five hundred fifty-three thousand, eight hundred sixty-seven".