211054090 has 32 divisors (see below), whose sum is σ = 430657920. Its totient is φ = 73825344.

The previous prime is 211054069. The next prime is 211054127. The reversal of 211054090 is 90450112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40254 + ... + 45193.

It is an arithmetic number, because the mean of its divisors is an integer number (13458060).

Almost surely, 2^211054090 is an apocalyptic number.

211054090 is an abundant number, since it is smaller than the sum of its proper divisors (219603830).

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

211054090 is a wasteful number, since it uses less digits than its factorization.

211054090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85486.

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 211054090 is about 14527.7007816103. The cubic root of 211054090 is about 595.3850484144.

The spelling of 211054090 in words is "two hundred eleven million, fifty-four thousand, ninety".