Search a number
-
+
55745763 = 3103223809
BaseRepresentation
bin1101010010100…
…1110011100011
310212220011210220
43110221303203
5103232331023
65310454123
71244555043
oct324516343
9125804726
1055745763
1129515687
1216804343
13b71a778
147591723
154d623e3
hex3529ce3

55745763 has 16 divisors (see below), whose sum is σ = 75479040. Its totient is φ = 36592704.

The previous prime is 55745749. The next prime is 55745779. The reversal of 55745763 is 36754755.

It is not a de Polignac number, because 55745763 - 24 = 55745747 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55745783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68503 + ... + 69311.

It is an arithmetic number, because the mean of its divisors is an integer number (4717440).

Almost surely, 255745763 is an apocalyptic number.

55745763 is a deficient number, since it is larger than the sum of its proper divisors (19733277).

55745763 is a wasteful number, since it uses less digits than its factorization.

55745763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its digits is 441000, while the sum is 42.

The square root of 55745763 is about 7466.3085256370. The cubic root of 55745763 is about 382.0063844953.

The spelling of 55745763 in words is "fifty-five million, seven hundred forty-five thousand, seven hundred sixty-three".

Divisors: 1 3 103 223 309 669 809 2427 22969 68907 83327 180407 249981 541221 18581921 55745763