Search a number
-
+
54213311553 = 319951110729
BaseRepresentation
bin110010011111010111…
…010111110001000001
312011221012220120111220
4302133113113301001
51342012101432203
640523311225253
73626312354622
oct623727276101
9164835816456
1054213311553
1120aa0001415
12a60bb18229
13515c92969b
1428a412da49
151624703653
hexc9f5d7c41

54213311553 has 8 divisors (see below), whose sum is σ = 76088858400. Its totient is φ = 34239986208.

The previous prime is 54213311521. The next prime is 54213311567. The reversal of 54213311553 is 35511331245.

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

It is not a de Polignac number, because 54213311553 - 25 = 54213311521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54213311513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475555308 + ... + 475555421.

It is an arithmetic number, because the mean of its divisors is an integer number (9511107300).

Almost surely, 254213311553 is an apocalyptic number.

It is an amenable number.

54213311553 is a deficient number, since it is larger than the sum of its proper divisors (21875546847).

54213311553 is a wasteful number, since it uses less digits than its factorization.

54213311553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 951110751.

The product of its digits is 27000, while the sum is 33.

Adding to 54213311553 its reverse (35511331245), we get a palindrome (89724642798).

The spelling of 54213311553 in words is "fifty-four billion, two hundred thirteen million, three hundred eleven thousand, five hundred fifty-three".

Divisors: 1 3 19 57 951110729 2853332187 18071103851 54213311553