212054455 has 8 divisors (see below), whose sum is σ = 254687904. Its totient is φ = 169495200.

The previous prime is 212054441. The next prime is 212054471. The reversal of 212054455 is 554450212.

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

It is a de Polignac number, because none of the positive numbers 2^k-212054455 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12051 + ... + 23860.

It is an arithmetic number, because the mean of its divisors is an integer number (31835988).

Almost surely, 2^212054455 is an apocalyptic number.

212054455 is a deficient number, since it is larger than the sum of its proper divisors (42633449).

212054455 is a wasteful number, since it uses less digits than its factorization.

212054455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37097.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 212054455 is about 14562.0896508709. The cubic root of 212054455 is about 596.3242449523.

The spelling of 212054455 in words is "two hundred twelve million, fifty-four thousand, four hundred fifty-five".