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55524423138 = 239254070523
BaseRepresentation
bin110011101101100000…
…110111010111100010
312022022120222221111020
4303231200313113202
51402203223020023
641301345030310
74003642544442
oct635540672742
9168276887436
1055524423138
11216030a8a08
12a917025396
13530b455162
14298a304122
15169e88ade3
hexced8375e2

55524423138 has 8 divisors (see below), whose sum is σ = 111048846288. Its totient is φ = 18508141044.

The previous prime is 55524423109. The next prime is 55524423139. The reversal of 55524423138 is 83132442555.

It is a sphenic number, since it is the product of 3 distinct primes.

55524423138 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 55524423138.

It is not an unprimeable number, because it can be changed into a prime (55524423139) 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, 4627035256 + ... + 4627035267.

It is an arithmetic number, because the mean of its divisors is an integer number (13881105786).

Almost surely, 255524423138 is an apocalyptic number.

55524423138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55524423138 is a wasteful number, since it uses less digits than its factorization.

55524423138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9254070528.

The product of its digits is 576000, while the sum is 42.

The spelling of 55524423138 in words is "fifty-five billion, five hundred twenty-four million, four hundred twenty-three thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 9254070523 18508141046 27762211569 55524423138