Search a number
-
+
54683857 = 232377559
BaseRepresentation
bin1101000010011…
…0100011010001
310210220020011001
43100212203101
5102444340412
65232022001
71232543104
oct320464321
9123806131
1054683857
112895a878
1216391901
13b438317
14739673b
154c02957
hex34268d1

54683857 has 4 divisors (see below), whose sum is σ = 57061440. Its totient is φ = 52306276.

The previous prime is 54683819. The next prime is 54683861. The reversal of 54683857 is 75838645.

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 a de Polignac number, because none of the positive numbers 2k-54683857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54683887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188757 + ... + 1188802.

It is an arithmetic number, because the mean of its divisors is an integer number (14265360).

Almost surely, 254683857 is an apocalyptic number.

It is an amenable number.

54683857 is a deficient number, since it is larger than the sum of its proper divisors (2377583).

54683857 is a wasteful number, since it uses less digits than its factorization.

54683857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377582.

The product of its digits is 806400, while the sum is 46.

The square root of 54683857 is about 7394.8534130164. The cubic root of 54683857 is about 379.5651928831.

The spelling of 54683857 in words is "fifty-four million, six hundred eighty-three thousand, eight hundred fifty-seven".

Divisors: 1 23 2377559 54683857