555787423 has 2 divisors, whose sum is σ = 555787424. Its totient is φ = 555787422.

The previous prime is 555787417. The next prime is 555787439. The reversal of 555787423 is 324787555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555787423 - 2⁵ = 555787391 is a prime.

It is a super-4 number, since 4×555787423⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555787483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277893711 + 277893712.

It is an arithmetic number, because the mean of its divisors is an integer number (277893712).

Almost surely, 2^555787423 is an apocalyptic number.

555787423 is a deficient number, since it is larger than the sum of its proper divisors (1).

555787423 is an equidigital number, since it uses as much as digits as its factorization.

555787423 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1176000, while the sum is 46.

The square root of 555787423 is about 23575.1441777140. The cubic root of 555787423 is about 822.1850423946.

It can be divided in two parts, 55578 and 7423, that added together give a square (63001 = 251²).

The spelling of 555787423 in words is "five hundred fifty-five million, seven hundred eighty-seven thousand, four hundred twenty-three".