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55829145779 = 112461397899
BaseRepresentation
bin110011111111101011…
…010010100010110011
312100002211101110100222
4303333223102202303
51403314230131104
641351512203255
74014332623601
oct637753224263
9170084343328
1055829145779
112174a108600
12a9a109952b
135359617704
1429b8986871
1516bb4ce1be
hexcffad28b3

55829145779 has 6 divisors (see below), whose sum is σ = 61365920700. Its totient is φ = 50753768780.

The previous prime is 55829145731. The next prime is 55829145793. The reversal of 55829145779 is 97754192855.

It is not a de Polignac number, because 55829145779 - 28 = 55829145523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55829145079) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 230698829 + ... + 230699070.

It is an arithmetic number, because the mean of its divisors is an integer number (10227653450).

Almost surely, 255829145779 is an apocalyptic number.

55829145779 is a deficient number, since it is larger than the sum of its proper divisors (5536774921).

55829145779 is a wasteful number, since it uses less digits than its factorization.

55829145779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461397921 (or 461397910 counting only the distinct ones).

The product of its digits is 31752000, while the sum is 62.

The spelling of 55829145779 in words is "fifty-five billion, eight hundred twenty-nine million, one hundred forty-five thousand, seven hundred seventy-nine".

Divisors: 1 11 121 461397899 5075376889 55829145779