Search a number
-
+
55525300557 = 3127353412849
BaseRepresentation
bin110011101101100100…
…001101100101001101
312022022122122112002020
4303231210031211031
51402203434104212
641301415520353
74003653160506
oct635544154515
9168278575066
1055525300557
1121603648151
12a9173890b9
13530b6a163c
14298a491bad
15169e9b0d8c
hexced90d94d

55525300557 has 16 divisors (see below), whose sum is σ = 74828236800. Its totient is φ = 36621268992.

The previous prime is 55525300553. The next prime is 55525300619. The reversal of 55525300557 is 75500352555.

It is not a de Polignac number, because 55525300557 - 22 = 55525300553 is a prime.

It is a super-3 number, since 3×555253005573 (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55525300553) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 71932 + ... + 340917.

It is an arithmetic number, because the mean of its divisors is an integer number (4676764800).

Almost surely, 255525300557 is an apocalyptic number.

It is an amenable number.

55525300557 is a deficient number, since it is larger than the sum of its proper divisors (19302936243).

55525300557 is a wasteful number, since it uses less digits than its factorization.

55525300557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413332.

The product of its (nonzero) digits is 656250, while the sum is 42.

The spelling of 55525300557 in words is "fifty-five billion, five hundred twenty-five million, three hundred thousand, five hundred fifty-seven".

Divisors: 1 3 127 353 381 1059 44831 134493 412849 1238547 52431823 145735697 157295469 437207091 18508433519 55525300557