212552455 has 16 divisors (see below), whose sum is σ = 264811680. Its totient is φ = 163585408.

The previous prime is 212552447. The next prime is 212552467. The reversal of 212552455 is 554255212.

It is a happy number.

212552455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 212552455 - 2³ = 212552447 is a prime.

It is a super-2 number, since 2×212552455² = 90357092253054050, which contains 22 as substring.

It is a congruent number.

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, 39984 + ... + 44986.

It is an arithmetic number, because the mean of its divisors is an integer number (16550730).

Almost surely, 2^212552455 is an apocalyptic number.

212552455 is a deficient number, since it is larger than the sum of its proper divisors (52259225).

212552455 is a wasteful number, since it uses less digits than its factorization.

212552455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5330.

The product of its digits is 20000, while the sum is 31.

The square root of 212552455 is about 14579.1788177524. The cubic root of 212552455 is about 596.7906932267.

The spelling of 212552455 in words is "two hundred twelve million, five hundred fifty-two thousand, four hundred fifty-five".