Search a number
-
+
55447545256 = 236930943157
BaseRepresentation
bin110011101000111011…
…100110010110101000
312022010020100010212021
4303220323212112220
51402024032422011
641250001154224
74002020233615
oct635073462650
9168106303767
1055447545256
112157376a474
12a8b532b974
1352c8548b9c
14298001150c
151697c52471
hexce8ee65a8

55447545256 has 8 divisors (see below), whose sum is σ = 103964147370. Its totient is φ = 27723772624.

The previous prime is 55447545229. The next prime is 55447545269. The reversal of 55447545256 is 65254574455.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 53607993156 + 1839552100 = 231534^2 + 42890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3465471571 + ... + 3465471586.

Almost surely, 255447545256 is an apocalyptic number.

It is an amenable number.

55447545256 is a deficient number, since it is larger than the sum of its proper divisors (48516602114).

55447545256 is a wasteful number, since it uses less digits than its factorization.

55447545256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6930943163 (or 6930943159 counting only the distinct ones).

The product of its digits is 16800000, while the sum is 52.

The spelling of 55447545256 in words is "fifty-five billion, four hundred forty-seven million, five hundred forty-five thousand, two hundred fifty-six".

Divisors: 1 2 4 8 6930943157 13861886314 27723772628 55447545256