375505555 has 12 divisors (see below), whose sum is σ = 455088240. Its totient is φ = 297445872.

The previous prime is 375505553. The next prime is 375505579. The reversal of 375505555 is 555505573.

It is a happy number.

It is not a de Polignac number, because 375505555 - 2¹ = 375505553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (375505553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49506 + ... + 56584.

It is an arithmetic number, because the mean of its divisors is an integer number (37924020).

Almost surely, 2^375505555 is an apocalyptic number.

375505555 is a deficient number, since it is larger than the sum of its proper divisors (79582685).

375505555 is an equidigital number, since it uses as much as digits as its factorization.

375505555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290 (or 7187 counting only the distinct ones).

The product of its (nonzero) digits is 328125, while the sum is 40.

The square root of 375505555 is about 19377.9657085051. The cubic root of 375505555 is about 721.4487002940.

The spelling of 375505555 in words is "three hundred seventy-five million, five hundred five thousand, five hundred fifty-five".