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55342180027 = 76507723361
BaseRepresentation
bin110011100010101001…
…101010011010111011
312021211220002000221101
4303202221222122323
51401320044230102
641231314552231
73666300524431
oct634251523273
9167756060841
1055342180027
112151a243a72
12a885b98677
1352ac7772b4
142970024d51
15168d88ce87
hexce2a6a6bb

55342180027 has 4 divisors (see below), whose sum is σ = 55342979896. Its totient is φ = 55341380160.

The previous prime is 55342180021. The next prime is 55342180039. The reversal of 55342180027 is 72008124355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55342180027 is a prime.

It is a super-3 number, since 3×553421800273 (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55342180021) 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, 285174 + ... + 438187.

It is an arithmetic number, because the mean of its divisors is an integer number (13835744974).

Almost surely, 255342180027 is an apocalyptic number.

55342180027 is a deficient number, since it is larger than the sum of its proper divisors (799869).

55342180027 is an equidigital number, since it uses as much as digits as its factorization.

55342180027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799868.

The product of its (nonzero) digits is 67200, while the sum is 37.

The spelling of 55342180027 in words is "fifty-five billion, three hundred forty-two million, one hundred eighty thousand, twenty-seven".

Divisors: 1 76507 723361 55342180027