Search a number
-
+
52055057 = 181287597
BaseRepresentation
bin1100011010010…
…0110000010001
310121221200010002
43012210300101
5101311230212
65055415345
71201314005
oct306446021
9117850102
1052055057
112742480a
1215524555
13aa27912
146cb0705
154883ac2
hex31a4c11

52055057 has 4 divisors (see below), whose sum is σ = 52342836. Its totient is φ = 51767280.

The previous prime is 52055053. The next prime is 52055099. The reversal of 52055057 is 75055025.

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 4596736 + 47458321 = 2144^2 + 6889^2 .

It is a cyclic number.

It is not a de Polignac number, because 52055057 - 22 = 52055053 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52055053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143618 + ... + 143979.

It is an arithmetic number, because the mean of its divisors is an integer number (13085709).

Almost surely, 252055057 is an apocalyptic number.

It is an amenable number.

52055057 is a deficient number, since it is larger than the sum of its proper divisors (287779).

52055057 is a wasteful number, since it uses less digits than its factorization.

52055057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287778.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 52055057 is about 7214.9190570650. The cubic root of 52055057 is about 373.3828005420.

The spelling of 52055057 in words is "fifty-two million, fifty-five thousand, fifty-seven".

Divisors: 1 181 287597 52055057