555506493 has 16 divisors (see below), whose sum is σ = 761483520. Its totient is φ = 359954496.

The previous prime is 555506491. The next prime is 555506507. The reversal of 555506493 is 394605555.

555506493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 555506493 - 2¹ = 555506491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555506491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 139788 + ... + 143706.

It is an arithmetic number, because the mean of its divisors is an integer number (47592720).

Almost surely, 2^555506493 is an apocalyptic number.

It is an amenable number.

555506493 is a deficient number, since it is larger than the sum of its proper divisors (205977027).

555506493 is a wasteful number, since it uses less digits than its factorization.

555506493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 555506493 is about 23569.1852426001. The cubic root of 555506493 is about 822.0464909977.

The spelling of 555506493 in words is "five hundred fifty-five million, five hundred six thousand, four hundred ninety-three".