212604055 has 8 divisors (see below), whose sum is σ = 255222000. Its totient is φ = 170018496.

The previous prime is 212604047. The next prime is 212604061. The reversal of 212604055 is 550406212.

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

It is a cyclic number.

It is not a de Polignac number, because 212604055 - 2³ = 212604047 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 10051 + ... + 22939.

It is an arithmetic number, because the mean of its divisors is an integer number (31902750).

Almost surely, 2^212604055 is an apocalyptic number.

212604055 is a deficient number, since it is larger than the sum of its proper divisors (42617945).

212604055 is a wasteful number, since it uses less digits than its factorization.

212604055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16193.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 212604055 is about 14580.9483573600. The cubic root of 212604055 is about 596.8389823391.

The spelling of 212604055 in words is "two hundred twelve million, six hundred four thousand, fifty-five".