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57223601 is a prime number
BaseRepresentation
bin1101101001001…
…0100110110001
310222200021000122
43122102212301
5104122123401
65402300025
71263251441
oct332224661
9128607018
1057223601
112a334a36
12171b7615
13bb17326
147858121
15505521b
hex36929b1

57223601 has 2 divisors, whose sum is σ = 57223602. Its totient is φ = 57223600.

The previous prime is 57223591. The next prime is 57223619. The reversal of 57223601 is 10632275.

57223601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56175025 + 1048576 = 7495^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 57223601 - 222 = 53029297 is a prime.

It is a super-2 number, since 2×572236012 = 6549081022814402, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57223651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28611800 + 28611801.

It is an arithmetic number, because the mean of its divisors is an integer number (28611801).

Almost surely, 257223601 is an apocalyptic number.

It is an amenable number.

57223601 is a deficient number, since it is larger than the sum of its proper divisors (1).

57223601 is an equidigital number, since it uses as much as digits as its factorization.

57223601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 57223601 is about 7564.6282790366. The cubic root of 57223601 is about 385.3526896850.

Adding to 57223601 its reverse (10632275), we get a palindrome (67855876).

The spelling of 57223601 in words is "fifty-seven million, two hundred twenty-three thousand, six hundred one".