Search a number
-
+
53945877 = 317981959
BaseRepresentation
bin1100110111001…
…0011000010101
310202111201211110
43031302120111
5102302232002
65204125233
71223350416
oct315623025
9122451743
1053945877
11284a6377
1216096819
13b23a44b
14724380d
154b08e6c
hex3372615

53945877 has 4 divisors (see below), whose sum is σ = 71927840. Its totient is φ = 35963916.

The previous prime is 53945867. The next prime is 53945893. The reversal of 53945877 is 77854935.

53945877 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 not a de Polignac number, because 53945877 - 211 = 53943829 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 (53945867) 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, 8990977 + ... + 8990982.

It is an arithmetic number, because the mean of its divisors is an integer number (17981960).

Almost surely, 253945877 is an apocalyptic number.

It is an amenable number.

53945877 is a deficient number, since it is larger than the sum of its proper divisors (17981963).

53945877 is a wasteful number, since it uses less digits than its factorization.

53945877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17981962.

The product of its digits is 1058400, while the sum is 48.

The square root of 53945877 is about 7344.7857014347. The cubic root of 53945877 is about 377.8499936690.

The spelling of 53945877 in words is "fifty-three million, nine hundred forty-five thousand, eight hundred seventy-seven".

Divisors: 1 3 17981959 53945877