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55876922689 = 72337692
BaseRepresentation
bin110100000010100001…
…100010110101000001
312100020011021202222011
4310002201202311001
51403413443011224
641400340212521
74015453002100
oct640241426501
9170204252864
1055876922689
1121774080055
12a9b509a141
1353664a4c83
1429c1062037
1516c07ba394
hexd02862d41

55876922689 has 9 divisors (see below), whose sum is σ = 65001610467. Its totient is φ = 47893086864.

The previous prime is 55876922669. The next prime is 55876922713. The reversal of 55876922689 is 98622967855.

It is a happy number.

The square root of 55876922689 is 236383.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 47183225089 + 8693697600 = 217217^2 + 93240^2 .

It is not a de Polignac number, because 55876922689 - 215 = 55876889921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55876922659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1637797 + ... + 1671565.

It is an arithmetic number, because the mean of its divisors is an integer number (7222401163).

Almost surely, 255876922689 is an apocalyptic number.

55876922689 is the 236383-rd square number.

55876922689 is the 118192-nd centered octagonal number.

It is an amenable number.

55876922689 is a deficient number, since it is larger than the sum of its proper divisors (9124687778).

55876922689 is an frugal number, since it uses more digits than its factorization.

55876922689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67552 (or 33776 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 67.

The spelling of 55876922689 in words is "fifty-five billion, eight hundred seventy-six million, nine hundred twenty-two thousand, six hundred eighty-nine".

Divisors: 1 7 49 33769 236383 1654681 1140345361 7982417527 55876922689