426055521 has 16 divisors (see below), whose sum is σ = 577822784. Its totient is φ = 279189504.

The previous prime is 426055463. The next prime is 426055523. The reversal of 426055521 is 125550624.

It is not a de Polignac number, because 426055521 - 2⁹ = 426055009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (426055523) 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, 64065 + ... + 70401.

It is an arithmetic number, because the mean of its divisors is an integer number (36113924).

Almost surely, 2^426055521 is an apocalyptic number.

It is an amenable number.

426055521 is a deficient number, since it is larger than the sum of its proper divisors (151767263).

426055521 is a wasteful number, since it uses less digits than its factorization.

426055521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 426055521 is about 20641.1123973491. The cubic root of 426055521 is about 752.4692075419.

The spelling of 426055521 in words is "four hundred twenty-six million, fifty-five thousand, five hundred twenty-one".