553898623 has 2 divisors, whose sum is σ = 553898624. Its totient is φ = 553898622.

The previous prime is 553898563. The next prime is 553898629. The reversal of 553898623 is 326898355.

553898623 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 not a de Polignac number, because 553898623 - 2¹⁷ = 553767551 is a prime.

It is a super-2 number, since 2×553898623² = 613607369122592258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553898629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276949311 + 276949312.

It is an arithmetic number, because the mean of its divisors is an integer number (276949312).

Almost surely, 2^553898623 is an apocalyptic number.

553898623 is a deficient number, since it is larger than the sum of its proper divisors (1).

553898623 is an equidigital number, since it uses as much as digits as its factorization.

553898623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 553898623 is about 23535.0509453453. The cubic root of 553898623 is about 821.2526081834.

The spelling of 553898623 in words is "five hundred fifty-three million, eight hundred ninety-eight thousand, six hundred twenty-three".