555220419875 has 64 divisors (see below), whose sum is σ = 781367648256. Its totient is φ = 390232080000.

The previous prime is 555220419857. The next prime is 555220419877. The reversal of 555220419875 is 578914022555.

It is a happy number.

It is not a de Polignac number, because 555220419875 - 2¹⁸ = 555220157731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555220419877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32258522 + ... + 32275728.

It is an arithmetic number, because the mean of its divisors is an integer number (12208869504).

Almost surely, 2^555220419875 is an apocalyptic number.

555220419875 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

555220419875 is a deficient number, since it is larger than the sum of its proper divisors (226147228381).

555220419875 is a wasteful number, since it uses less digits than its factorization.

555220419875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021 (or 18011 counting only the distinct ones).

The product of its (nonzero) digits is 5040000, while the sum is 53.

The spelling of 555220419875 in words is "five hundred fifty-five billion, two hundred twenty million, four hundred nineteen thousand, eight hundred seventy-five".