212675550 has 48 divisors (see below), whose sum is σ = 555202560. Its totient is φ = 53727840.

The previous prime is 212675539. The next prime is 212675579. The reversal of 212675550 is 55576212.

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 23 ways as a sum of consecutive naturals, for example, 34462 + ... + 40161.

It is an arithmetic number, because the mean of its divisors is an integer number (11566720).

Almost surely, 2^212675550 is an apocalyptic number.

212675550 is an abundant number, since it is smaller than the sum of its proper divisors (342527010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212675550 is a wasteful number, since it uses less digits than its factorization.

212675550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74657 (or 74652 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 212675550 is about 14583.3998093723. The cubic root of 212675550 is about 596.9058769879.

The spelling of 212675550 in words is "two hundred twelve million, six hundred seventy-five thousand, five hundred fifty".