Search a number
-
+
55064773 = 318321401
BaseRepresentation
bin1101001000001…
…1100011000101
310211121120200001
43102003203011
5103044033043
65244121301
71236020461
oct322034305
9124546601
1055064773
112909aa85
1216536231
13b53c80a
1474554a1
154c7a74d
hex34838c5

55064773 has 8 divisors (see below), whose sum is σ = 57528576. Its totient is φ = 52644000.

The previous prime is 55064771. The next prime is 55064797. The reversal of 55064773 is 37746055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55064773 - 21 = 55064771 is a prime.

It is a super-3 number, since 3×550647733 (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55064771) 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 7 ways as a sum of consecutive naturals, for example, 8128 + ... + 13273.

It is an arithmetic number, because the mean of its divisors is an integer number (7191072).

Almost surely, 255064773 is an apocalyptic number.

It is an amenable number.

55064773 is a deficient number, since it is larger than the sum of its proper divisors (2463803).

55064773 is a wasteful number, since it uses less digits than its factorization.

55064773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21515.

The product of its (nonzero) digits is 88200, while the sum is 37.

The square root of 55064773 is about 7420.5641968788. The cubic root of 55064773 is about 380.4444775933. Note that the first 4 decimals are identical.

The spelling of 55064773 in words is "fifty-five million, sixty-four thousand, seven hundred seventy-three".

Divisors: 1 31 83 2573 21401 663431 1776283 55064773