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55793697 = 318597899
BaseRepresentation
bin1101010011010…
…1100000100001
310212222121120020
43110311200201
5103240344242
65311504053
71245144561
oct324654041
9125877506
1055793697
11295486a3
1216828029
13b73652b
1475a4da1
154d716ec
hex3535821

55793697 has 4 divisors (see below), whose sum is σ = 74391600. Its totient is φ = 37195796.

The previous prime is 55793693. The next prime is 55793701. The reversal of 55793697 is 79639755.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (55793693) and next prime (55793701).

It is a cyclic number.

It is not a de Polignac number, because 55793697 - 22 = 55793693 is a prime.

It is a super-2 number, since 2×557936972 = 6225873249855618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55793693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9298947 + ... + 9298952.

It is an arithmetic number, because the mean of its divisors is an integer number (18597900).

Almost surely, 255793697 is an apocalyptic number.

It is an amenable number.

55793697 is a deficient number, since it is larger than the sum of its proper divisors (18597903).

55793697 is a wasteful number, since it uses less digits than its factorization.

55793697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18597902.

The product of its digits is 1786050, while the sum is 51.

The square root of 55793697 is about 7469.5178559262. The cubic root of 55793697 is about 382.1158448213.

The spelling of 55793697 in words is "fifty-five million, seven hundred ninety-three thousand, six hundred ninety-seven".

Divisors: 1 3 18597899 55793697