Search a number
-
+
54522047 = 220324749
BaseRepresentation
bin1100111111111…
…1000010111111
310210121000012002
43033333002333
5102424201142
65224332515
71231300256
oct317770277
9123530162
1054522047
112885a248
121631413b
13b3ac788
14735379d
154bbea32
hex33ff0bf

54522047 has 4 divisors (see below), whose sum is σ = 54549000. Its totient is φ = 54495096.

The previous prime is 54522037. The next prime is 54522049. The reversal of 54522047 is 74022545.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54522047 - 28 = 54521791 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 (54522049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10172 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (13637250).

Almost surely, 254522047 is an apocalyptic number.

54522047 is a deficient number, since it is larger than the sum of its proper divisors (26953).

54522047 is a wasteful number, since it uses less digits than its factorization.

54522047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26952.

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 54522047 is about 7383.9045903912. The cubic root of 54522047 is about 379.1904441287.

The spelling of 54522047 in words is "fifty-four million, five hundred twenty-two thousand, forty-seven".

Divisors: 1 2203 24749 54522047