Search a number
-
+
54526057 = 428912713
BaseRepresentation
bin1101000000000…
…0000001101001
310210121012200121
43100000001221
5102424313212
65224403241
71231315045
oct320000151
9123535617
1054526057
1128862263
1216316521
13b3b1551
147355025
154bc0d07
hex3400069

54526057 has 4 divisors (see below), whose sum is σ = 54543060. Its totient is φ = 54509056.

The previous prime is 54526039. The next prime is 54526091. The reversal of 54526057 is 75062545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 51494976 + 3031081 = 7176^2 + 1741^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54526057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54526097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2068 + ... + 10645.

It is an arithmetic number, because the mean of its divisors is an integer number (13635765).

Almost surely, 254526057 is an apocalyptic number.

It is an amenable number.

54526057 is a deficient number, since it is larger than the sum of its proper divisors (17003).

54526057 is a wasteful number, since it uses less digits than its factorization.

54526057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17002.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 54526057 is about 7384.1761219516. The cubic root of 54526057 is about 379.1997401627.

The spelling of 54526057 in words is "fifty-four million, five hundred twenty-six thousand, fifty-seven".

Divisors: 1 4289 12713 54526057