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55743697 = 1723142567
BaseRepresentation
bin1101010010100…
…1010011010001
310212220001222101
43110221103101
5103232244242
65310440401
71244546032
oct324512321
9125801871
1055743697
1129514079
1216803101
13b719849
147590a89
154d619b7
hex35294d1

55743697 has 8 divisors (see below), whose sum is σ = 61589376. Its totient is φ = 50183232.

The previous prime is 55743689. The next prime is 55743761. The reversal of 55743697 is 79634755.

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 55743697 - 23 = 55743689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55743197) 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, 70893 + ... + 71674.

It is an arithmetic number, because the mean of its divisors is an integer number (7698672).

Almost surely, 255743697 is an apocalyptic number.

It is an amenable number.

55743697 is a deficient number, since it is larger than the sum of its proper divisors (5845679).

55743697 is a wasteful number, since it uses less digits than its factorization.

55743697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142607.

The product of its digits is 793800, while the sum is 46.

The square root of 55743697 is about 7466.1701695046. The cubic root of 55743697 is about 382.0016652431.

The spelling of 55743697 in words is "fifty-five million, seven hundred forty-three thousand, six hundred ninety-seven".

Divisors: 1 17 23 391 142567 2423639 3279041 55743697