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55185570001 = 791514626169
BaseRepresentation
bin110011011001010100…
…001111100011010001
312021102222101102101001
4303121110033203101
51401010001220001
641204002142001
73662356414432
oct633124174321
9167388342331
1055185570001
11214498a75a1
12a841651901
1352861a2843
1429572d9489
15167ec55001
hexcd950f8d1

55185570001 has 8 divisors (see below), whose sum is σ = 56254227200. Its totient is φ = 54126165600.

The previous prime is 55185569993. The next prime is 55185570019. The reversal of 55185570001 is 10007558155.

55185570001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55185570001 - 23 = 55185569993 is a prime.

It is a super-2 number, since 2×551855700012 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55185570301) 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, 2301156 + ... + 2325013.

It is an arithmetic number, because the mean of its divisors is an integer number (7031778400).

Almost surely, 255185570001 is an apocalyptic number.

It is an amenable number.

55185570001 is a deficient number, since it is larger than the sum of its proper divisors (1068657199).

55185570001 is a wasteful number, since it uses less digits than its factorization.

55185570001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626399.

The product of its (nonzero) digits is 35000, while the sum is 37.

The spelling of 55185570001 in words is "fifty-five billion, one hundred eighty-five million, five hundred seventy thousand, one".

Divisors: 1 79 151 11929 4626169 365467351 698551519 55185570001