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55794817 = 1315727337
BaseRepresentation
bin1101010011010…
…1110010000001
310212222200002201
43110311302001
5103240413232
65311513201
71245151051
oct324656201
9125880081
1055794817
1129549521
1216828801
13b736bb0
1475a5561
154d71be7
hex3535c81

55794817 has 8 divisors (see below), whose sum is σ = 60471656. Its totient is φ = 51172992.

The previous prime is 55794793. The next prime is 55794821. The reversal of 55794817 is 71849755.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6780816 + 49014001 = 2604^2 + 7001^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-55794817 is a prime.

It is a super-2 number, since 2×557948172 = 6226123208126978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55794847) 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, 11628 + ... + 15709.

It is an arithmetic number, because the mean of its divisors is an integer number (7558957).

Almost surely, 255794817 is an apocalyptic number.

It is an amenable number.

55794817 is a deficient number, since it is larger than the sum of its proper divisors (4676839).

55794817 is a wasteful number, since it uses less digits than its factorization.

55794817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27507.

The product of its digits is 352800, while the sum is 46.

The square root of 55794817 is about 7469.5928269217. The cubic root of 55794817 is about 382.1184016626.

The spelling of 55794817 in words is "fifty-five million, seven hundred ninety-four thousand, eight hundred seventeen".

Divisors: 1 13 157 2041 27337 355381 4291909 55794817