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55255200001 = 253121831371
BaseRepresentation
bin110011011101011101…
…110111000100000001
312021121211101222202221
4303131131313010001
51401130312400001
641214530411041
73664163310361
oct633535670401
9167554358687
1055255200001
1121485135651
12a860a30a81
135297741b21
1429626629a1
151685e0b1a1
hexcdd777101

55255200001 has 4 divisors (see below), whose sum is σ = 55277033904. Its totient is φ = 55233366100.

The previous prime is 55255199981. The next prime is 55255200047. The reversal of 55255200001 is 10000255255.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55255200001 - 213 = 55255191809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55255200071) 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 3 ways as a sum of consecutive naturals, for example, 10913155 + ... + 10918216.

It is an arithmetic number, because the mean of its divisors is an integer number (13819258476).

Almost surely, 255255200001 is an apocalyptic number.

It is an amenable number.

55255200001 is a deficient number, since it is larger than the sum of its proper divisors (21833903).

55255200001 is a wasteful number, since it uses less digits than its factorization.

55255200001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21833902.

The product of its (nonzero) digits is 2500, while the sum is 25.

Adding to 55255200001 its reverse (10000255255), we get a palindrome (65255455256).

The spelling of 55255200001 in words is "fifty-five billion, two hundred fifty-five million, two hundred thousand, one".

Divisors: 1 2531 21831371 55255200001