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55241133540 = 2235920685559
BaseRepresentation
bin110011011100101000…
…001100110111100100
312021120211221100012220
4303130220030313210
51401113212233130
641213305112340
73663632613315
oct633450146744
9167524840186
1055241133540
11214781a827a
12a8581886b0
135294858388
14296084060c
151684a7d410
hexcdca0cde4

55241133540 has 24 divisors (see below), whose sum is σ = 154675174080. Its totient is φ = 14730968928.

The previous prime is 55241133527. The next prime is 55241133547. The reversal of 55241133540 is 4533114255.

55241133540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×552411335402 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55241133547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460342720 + ... + 460342839.

It is an arithmetic number, because the mean of its divisors is an integer number (6444798920).

Almost surely, 255241133540 is an apocalyptic number.

It is an amenable number.

55241133540 is an abundant number, since it is smaller than the sum of its proper divisors (99434040540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55241133540 is a wasteful number, since it uses less digits than its factorization.

55241133540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920685571 (or 920685569 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 55241133540 its reverse (4533114255), we get a palindrome (59774247795).

The spelling of 55241133540 in words is "fifty-five billion, two hundred forty-one million, one hundred thirty-three thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 920685559 1841371118 2762056677 3682742236 4603427795 5524113354 9206855590 11048226708 13810283385 18413711180 27620566770 55241133540