Search a number
-
+
55607131925 = 522224285277
BaseRepresentation
bin110011110010011100…
…010111111100010101
312022112100121222121122
4303302130113330111
51402340411210200
641313501453325
74005665552102
oct636234277425
9168470558548
1055607131925
112164585a284
12a93a871245
135322623477
1429972b3aa9
1516a6c77385
hexcf2717f15

55607131925 has 6 divisors (see below), whose sum is σ = 68952843618. Its totient is φ = 44485705520.

The previous prime is 55607131889. The next prime is 55607131927. The reversal of 55607131925 is 52913170655.

It can be written as a sum of positive squares in 3 ways, for example, as 12599838001 + 43007293924 = 112249^2 + 207382^2 .

It is not a de Polignac number, because 55607131925 - 26 = 55607131861 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 (55607131927) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1112142614 + ... + 1112142663.

It is an arithmetic number, because the mean of its divisors is an integer number (11492140603).

Almost surely, 255607131925 is an apocalyptic number.

It is an amenable number.

55607131925 is a deficient number, since it is larger than the sum of its proper divisors (13345711693).

55607131925 is a wasteful number, since it uses less digits than its factorization.

55607131925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2224285287 (or 2224285282 counting only the distinct ones).

The product of its (nonzero) digits is 283500, while the sum is 44.

The spelling of 55607131925 in words is "fifty-five billion, six hundred seven million, one hundred thirty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 2224285277 11121426385 55607131925