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55845559541 = 123145366011
BaseRepresentation
bin110100000000101001…
…111001110011110101
312100010222021100211002
4310000221321303311
51403332430401131
641353300053045
74014622265252
oct640051716365
9170128240732
1055845559541
11217583a94a2
12a9a6694185
13535cb436b5
1429bac1a429
1516bcb726cb
hexd00a79cf5

55845559541 has 4 divisors (see below), whose sum is σ = 55890926784. Its totient is φ = 55800192300.

The previous prime is 55845559481. The next prime is 55845559573. The reversal of 55845559541 is 14595554855.

55845559541 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2k-55845559541 is a prime.

It is a super-2 number, since 2×558455595412 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55845559591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22681775 + ... + 22684236.

It is an arithmetic number, because the mean of its divisors is an integer number (13972731696).

Almost surely, 255845559541 is an apocalyptic number.

It is an amenable number.

55845559541 is a deficient number, since it is larger than the sum of its proper divisors (45367243).

55845559541 is a wasteful number, since it uses less digits than its factorization.

55845559541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45367242.

The product of its digits is 18000000, while the sum is 56.

The spelling of 55845559541 in words is "fifty-five billion, eight hundred forty-five million, five hundred fifty-nine thousand, five hundred forty-one".

Divisors: 1 1231 45366011 55845559541