555040255 has 64 divisors (see below), whose sum is σ = 912384000. Its totient is φ = 313441920.

The previous prime is 555040229. The next prime is 555040267. The reversal of 555040255 is 552040555.

It is not a de Polignac number, because 555040255 - 2¹⁹ = 554515967 is a prime.

It is a super-3 number, since 3×555040255³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166596 + ... + 169894.

It is an arithmetic number, because the mean of its divisors is an integer number (14256000).

Almost surely, 2^555040255 is an apocalyptic number.

555040255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555040255 is a deficient number, since it is larger than the sum of its proper divisors (357343745).

555040255 is a wasteful number, since it uses less digits than its factorization.

555040255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364.

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 555040255 is about 23559.2923280815. The cubic root of 555040255 is about 821.8164447288.

The spelling of 555040255 in words is "five hundred fifty-five million, forty thousand, two hundred fifty-five".