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55898713 = 134299901
BaseRepresentation
bin1101010100111…
…1001001011001
310220011221121201
43111033021121
5103302224323
65314034201
71246063003
oct325171131
9126157551
1055898713
112960a592
1216878961
13b772280
1475d1373
154d928ad
hex354f259

55898713 has 4 divisors (see below), whose sum is σ = 60198628. Its totient is φ = 51598800.

The previous prime is 55898701. The next prime is 55898723. The reversal of 55898713 is 31789855.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31789855 = 56357971.

It can be written as a sum of positive squares in 2 ways, for example, as 21641104 + 34257609 = 4652^2 + 5853^2 .

It is a cyclic number.

It is not a de Polignac number, because 55898713 - 25 = 55898681 is a prime.

It is a super-2 number, since 2×558987132 = 6249332230112738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55898723) 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, 2149938 + ... + 2149963.

It is an arithmetic number, because the mean of its divisors is an integer number (15049657).

Almost surely, 255898713 is an apocalyptic number.

It is an amenable number.

55898713 is a deficient number, since it is larger than the sum of its proper divisors (4299915).

55898713 is a wasteful number, since it uses less digits than its factorization.

55898713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4299914.

The product of its digits is 302400, while the sum is 46.

The square root of 55898713 is about 7476.5441883266. The cubic root of 55898713 is about 382.3554365629.

The spelling of 55898713 in words is "fifty-five million, eight hundred ninety-eight thousand, seven hundred thirteen".

Divisors: 1 13 4299901 55898713