213454550 has 48 divisors (see below), whose sum is σ = 442538640. Its totient is φ = 76124160.

The previous prime is 213454547. The next prime is 213454583. The reversal of 213454550 is 55454312.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9542 + ... + 22758.

It is an arithmetic number, because the mean of its divisors is an integer number (9219555).

Almost surely, 2^213454550 is an apocalyptic number.

213454550 is an abundant number, since it is smaller than the sum of its proper divisors (229084090).

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

213454550 is a wasteful number, since it uses less digits than its factorization.

213454550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13265 (or 13260 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 213454550 is about 14610.0838464398. The cubic root of 213454550 is about 597.6337824766.

The spelling of 213454550 in words is "two hundred thirteen million, four hundred fifty-four thousand, five hundred fifty".