7213522055 has 8 divisors (see below), whose sum is σ = 8674300800. Its totient is φ = 5758768096.

The previous prime is 7213522051. The next prime is 7213522067. The reversal of 7213522055 is 5502253127.

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

It is a cyclic number.

It is not a de Polignac number, because 7213522055 - 2² = 7213522051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7213522051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1503560 + ... + 1508349.

It is an arithmetic number, because the mean of its divisors is an integer number (1084287600).

Almost surely, 2^7213522055 is an apocalyptic number.

7213522055 is a deficient number, since it is larger than the sum of its proper divisors (1460778745).

7213522055 is a wasteful number, since it uses less digits than its factorization.

7213522055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3012393.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 7213522055 is about 84932.4558399202. The cubic root of 7213522055 is about 1932.1868466299.

The spelling of 7213522055 in words is "seven billion, two hundred thirteen million, five hundred twenty-two thousand, fifty-five".