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55829156389 = 709460317107
BaseRepresentation
bin110011111111101011…
…010101001000100101
312100002211101222220221
4303333223111020211
51403314231001024
641351512324341
74014332666536
oct637753251045
9170084358827
1055829156389
112174a115576
12a9a10a36b1
13535961c4a6
1429b898a68d
1516bb4d23e4
hexcffad5225

55829156389 has 8 divisors (see below), whose sum is σ = 55923314720. Its totient is φ = 55735042896.

The previous prime is 55829156351. The next prime is 55829156413. The reversal of 55829156389 is 98365192855.

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

It is a cyclic number.

It is not a de Polignac number, because 55829156389 - 27 = 55829156261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55829156489) 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, 3254974 + ... + 3272080.

It is an arithmetic number, because the mean of its divisors is an integer number (6990414340).

Almost surely, 255829156389 is an apocalyptic number.

It is an amenable number.

55829156389 is a deficient number, since it is larger than the sum of its proper divisors (94158331).

55829156389 is a wasteful number, since it uses less digits than its factorization.

55829156389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22419.

The product of its digits is 23328000, while the sum is 61.

The spelling of 55829156389 in words is "fifty-five billion, eight hundred twenty-nine million, one hundred fifty-six thousand, three hundred eighty-nine".

Divisors: 1 709 4603 17107 3263527 12128863 78743521 55829156389