536455221 has 16 divisors (see below), whose sum is σ = 720982080. Its totient is φ = 354792960.

The previous prime is 536455207. The next prime is 536455223. The reversal of 536455221 is 122554635.

It is not a de Polignac number, because 536455221 - 2⁵ = 536455189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (536455223) 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, 283045 + ... + 284933.

It is an arithmetic number, because the mean of its divisors is an integer number (45061380).

Almost surely, 2^536455221 is an apocalyptic number.

It is an amenable number.

536455221 is a deficient number, since it is larger than the sum of its proper divisors (184526859).

536455221 is a wasteful number, since it uses less digits than its factorization.

536455221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596.

The product of its digits is 36000, while the sum is 33.

The square root of 536455221 is about 23161.5029952721. The cubic root of 536455221 is about 812.5395179517.

The spelling of 536455221 in words is "five hundred thirty-six million, four hundred fifty-five thousand, two hundred twenty-one".