Search a number
-
+
54820799 = 112329421
BaseRepresentation
bin1101000100011…
…1111110111111
310211011011222222
43101013332333
5103013231144
65234555555
71233653255
oct321077677
9124134888
1054820799
1128a43750
1216438bbb
13b485757
1473d05d5
154c2d2ee
hex3447fbf

54820799 has 12 divisors (see below), whose sum is σ = 62524392. Its totient is φ = 47665200.

The previous prime is 54820783. The next prime is 54820819. The reversal of 54820799 is 99702845.

It is a happy number.

It is not a de Polignac number, because 54820799 - 24 = 54820783 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 (54820729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1109 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (5210366).

Almost surely, 254820799 is an apocalyptic number.

54820799 is a deficient number, since it is larger than the sum of its proper divisors (7703593).

54820799 is a wasteful number, since it uses less digits than its factorization.

54820799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9478 (or 9455 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 54820799 is about 7404.1069009030. The cubic root of 54820799 is about 379.8817706984.

The spelling of 54820799 in words is "fifty-four million, eight hundred twenty thousand, seven hundred ninety-nine".

Divisors: 1 11 23 253 529 5819 9421 103631 216683 2383513 4983709 54820799