Search a number
-
+
55305527773 = 312238000221
BaseRepresentation
bin110011100000011101…
…110110000111011101
312021202100002220111111
4303200131312013131
51401231203342043
641223525222021
73665344141516
oct634035660735
9167670086444
1055305527773
112150058a651
12a875861911
1352a4cb3482
142969203a0d
15168a54d09d
hexce07761dd

55305527773 has 8 divisors (see below), whose sum is σ = 57345591296. Its totient is φ = 53281465200.

The previous prime is 55305527759. The next prime is 55305527803. The reversal of 55305527773 is 37772550355.

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 55305527773 - 29 = 55305527261 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 (55305527743) 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, 3993198 + ... + 4007023.

It is an arithmetic number, because the mean of its divisors is an integer number (7168198912).

Almost surely, 255305527773 is an apocalyptic number.

It is an amenable number.

55305527773 is a deficient number, since it is larger than the sum of its proper divisors (2040063523).

55305527773 is a wasteful number, since it uses less digits than its factorization.

55305527773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8000475.

The product of its (nonzero) digits is 3858750, while the sum is 49.

The spelling of 55305527773 in words is "fifty-five billion, three hundred five million, five hundred twenty-seven thousand, seven hundred seventy-three".

Divisors: 1 31 223 6913 8000221 248006851 1784049283 55305527773