526221055 has 16 divisors (see below), whose sum is σ = 667133280. Its totient is φ = 397360512.

The previous prime is 526221053. The next prime is 526221061. The reversal of 526221055 is 550122625.

It is a cyclic number.

It is not a de Polignac number, because 526221055 - 2¹ = 526221053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (526221053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16317 + ... + 36313.

It is an arithmetic number, because the mean of its divisors is an integer number (41695830).

Almost surely, 2^526221055 is an apocalyptic number.

526221055 is a deficient number, since it is larger than the sum of its proper divisors (140912225).

526221055 is a wasteful number, since it uses less digits than its factorization.

526221055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20298.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 526221055 is about 22939.5086041528. The cubic root of 526221055 is about 807.3392626097.

The spelling of 526221055 in words is "five hundred twenty-six million, two hundred twenty-one thousand, fifty-five".