Search a number
-
+
55852747 = 201727691
BaseRepresentation
bin1101010100001…
…1111011001011
310220002121120021
43111003323023
5103244241442
65313041311
71245511666
oct325037313
9126077507
1055852747
1129588aa5
1216856237
13b757382
1475bc6dd
154d83e67
hex3543ecb

55852747 has 4 divisors (see below), whose sum is σ = 55882456. Its totient is φ = 55823040.

The previous prime is 55852729. The next prime is 55852777. The reversal of 55852747 is 74725855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74725855 = 514945171.

It is a cyclic number.

It is not a de Polignac number, because 55852747 - 211 = 55850699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55852777) 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, 11829 + ... + 15862.

It is an arithmetic number, because the mean of its divisors is an integer number (13970614).

Almost surely, 255852747 is an apocalyptic number.

55852747 is a deficient number, since it is larger than the sum of its proper divisors (29709).

55852747 is a wasteful number, since it uses less digits than its factorization.

55852747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29708.

The product of its digits is 392000, while the sum is 43.

The square root of 55852747 is about 7473.4695423210. The cubic root of 55852747 is about 382.2506030840.

The spelling of 55852747 in words is "fifty-five million, eight hundred fifty-two thousand, seven hundred forty-seven".

Divisors: 1 2017 27691 55852747