207385055 has 8 divisors (see below), whose sum is σ = 252942144. Its totient is φ = 163188000.

The previous prime is 207385049. The next prime is 207385099. The reversal of 207385055 is 550583702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 207385055 - 2⁴ = 207385039 is a prime.

It is a super-2 number, since 2×207385055² = 86017122074706050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 339671 + ... + 340280.

It is an arithmetic number, because the mean of its divisors is an integer number (31617768).

Almost surely, 2^207385055 is an apocalyptic number.

207385055 is a deficient number, since it is larger than the sum of its proper divisors (45557089).

207385055 is an equidigital number, since it uses as much as digits as its factorization.

207385055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680017.

The product of its (nonzero) digits is 42000, while the sum is 35.

The square root of 207385055 is about 14400.8699390002. The cubic root of 207385055 is about 591.9147359778.

The spelling of 207385055 in words is "two hundred seven million, three hundred eighty-five thousand, fifty-five".