Search a number
-
+
55788310563 = 329719031619
BaseRepresentation
bin110011111101001111…
…100001000000100011
312022222222112210222120
4303331033201000203
51403223301414223
641343453035323
74013325546516
oct637517410043
9168888483876
1055788310563
1121729057497
12a98b485b43
13535101a96b
1429b3396d7d
1516b7b14be3
hexcfd3e1023

55788310563 has 16 divisors (see below), whose sum is σ = 78033196800. Its totient is φ = 35403942560.

The previous prime is 55788310561. The next prime is 55788310573. The reversal of 55788310563 is 36501388755.

55788310563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55788310563 - 21 = 55788310561 is a prime.

It is a super-2 number, since 2×557883105632 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (55788310561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509633 + ... + 4521986.

It is an arithmetic number, because the mean of its divisors is an integer number (4877074800).

Almost surely, 255788310563 is an apocalyptic number.

55788310563 is a deficient number, since it is larger than the sum of its proper divisors (22244886237).

55788310563 is a wasteful number, since it uses less digits than its factorization.

55788310563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9031722.

The product of its (nonzero) digits is 3024000, while the sum is 51.

The spelling of 55788310563 in words is "fifty-five billion, seven hundred eighty-eight million, three hundred ten thousand, five hundred sixty-three".

Divisors: 1 3 29 71 87 213 2059 6177 9031619 27094857 261916951 641244949 785750853 1923734847 18596103521 55788310563