214540550 has 96 divisors (see below), whose sum is σ = 492825600. Its totient is φ = 67858560.

The previous prime is 214540549. The next prime is 214540591. The reversal of 214540550 is 55045412.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 232991 + ... + 233909.

It is an arithmetic number, because the mean of its divisors is an integer number (5133600).

Almost surely, 2^214540550 is an apocalyptic number.

214540550 is an abundant number, since it is smaller than the sum of its proper divisors (278285050).

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

214540550 is a wasteful number, since it uses less digits than its factorization.

214540550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 985 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 214540550 is about 14647.2028046313. The cubic root of 214540550 is about 598.6456023864.

Adding to 214540550 its reverse (55045412), we get a palindrome (269585962).

The spelling of 214540550 in words is "two hundred fourteen million, five hundred forty thousand, five hundred fifty".