Search a number
-
+
55880513579 = 115080046689
BaseRepresentation
bin110100000010101111…
…001111100000101011
312100020102001012202002
4310002233033200223
51403420402413304
641400545201215
74015525346132
oct640257174053
9170212035662
1055880513579
1121776102a30
12a9b633020b
135367161567
1429c1718919
1516c0c7931e
hexd02bcf82b

55880513579 has 4 divisors (see below), whose sum is σ = 60960560280. Its totient is φ = 50800466880.

The previous prime is 55880513531. The next prime is 55880513617. The reversal of 55880513579 is 97531508855.

It is a happy number.

55880513579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55880513579 - 220 = 55879465003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55880513509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2540023334 + ... + 2540023355.

It is an arithmetic number, because the mean of its divisors is an integer number (15240140070).

Almost surely, 255880513579 is an apocalyptic number.

55880513579 is a deficient number, since it is larger than the sum of its proper divisors (5080046701).

55880513579 is a wasteful number, since it uses less digits than its factorization.

55880513579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5080046700.

The product of its (nonzero) digits is 7560000, while the sum is 56.

The spelling of 55880513579 in words is "fifty-five billion, eight hundred eighty million, five hundred thirteen thousand, five hundred seventy-nine".

Divisors: 1 11 5080046689 55880513579