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55143524534 = 2729135821489
BaseRepresentation
bin110011010110110011…
…110110100010110110
312021100001021021211112
4303112303312202312
51400413220241114
641155501035022
73661336140050
oct632663664266
9167301237745
1055143524534
112142809a17a
12a82b555a72
13527a570c77
1429518b28d0
15167b1ec13e
hexcd6cf68b6

55143524534 has 16 divisors (see below), whose sum is σ = 97791472800. Its totient is φ = 22818009984.

The previous prime is 55143524519. The next prime is 55143524537. The reversal of 55143524534 is 43542534155.

It is a junction number, because it is equal to n+sod(n) for n = 55143524491 and 55143524500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55143524537) 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, 67910339 + ... + 67911150.

It is an arithmetic number, because the mean of its divisors is an integer number (6111967050).

Almost surely, 255143524534 is an apocalyptic number.

55143524534 is a deficient number, since it is larger than the sum of its proper divisors (42647948266).

55143524534 is a wasteful number, since it uses less digits than its factorization.

55143524534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135821527.

The product of its digits is 720000, while the sum is 41.

The spelling of 55143524534 in words is "fifty-five billion, one hundred forty-three million, five hundred twenty-four thousand, five hundred thirty-four".

Divisors: 1 2 7 14 29 58 203 406 135821489 271642978 950750423 1901500846 3938823181 7877646362 27571762267 55143524534