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57222253 = 115202023
BaseRepresentation
bin1101101001001…
…0010001101101
310222200012011201
43122102101231
5104122103003
65402245501
71263244504
oct332222155
9128605151
1057222253
112a333a20
12171b6891
13bb1682a
14785783b
155054b1d
hex369246d

57222253 has 4 divisors (see below), whose sum is σ = 62424288. Its totient is φ = 52020220.

The previous prime is 57222247. The next prime is 57222301. The reversal of 57222253 is 35222275.

57222253 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57222253 - 29 = 57221741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57222203) 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 in 3 ways as a sum of consecutive naturals, for example, 2601001 + ... + 2601022.

It is an arithmetic number, because the mean of its divisors is an integer number (15606072).

Almost surely, 257222253 is an apocalyptic number.

It is an amenable number.

57222253 is a deficient number, since it is larger than the sum of its proper divisors (5202035).

57222253 is a wasteful number, since it uses less digits than its factorization.

57222253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5202034.

The product of its digits is 8400, while the sum is 28.

The square root of 57222253 is about 7564.5391796196. The cubic root of 57222253 is about 385.3496637802.

It can be divided in two parts, 572222 and 53, that added together give a palindrome (572275).

The spelling of 57222253 in words is "fifty-seven million, two hundred twenty-two thousand, two hundred fifty-three".

Divisors: 1 11 5202023 57222253