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55765241 = 77966463
BaseRepresentation
bin1101010010111…
…0100011111001
310212221011112022
43110232203321
5103233441431
65311124225
71244665610
oct324564371
9125834468
1055765241
1129529284
1216813675
13b7265ac
147598877
154d6807b
hex352e8f9

55765241 has 4 divisors (see below), whose sum is σ = 63731712. Its totient is φ = 47798772.

The previous prime is 55765217. The next prime is 55765261. The reversal of 55765241 is 14256755.

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, and also an emirpimes, since its reverse is a distinct semiprime: 14256755 = 52851351.

It is a de Polignac number, because none of the positive numbers 2k-55765241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55765261) 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, 3983225 + ... + 3983238.

It is an arithmetic number, because the mean of its divisors is an integer number (15932928).

Almost surely, 255765241 is an apocalyptic number.

It is an amenable number.

55765241 is a deficient number, since it is larger than the sum of its proper divisors (7966471).

55765241 is an equidigital number, since it uses as much as digits as its factorization.

55765241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7966470.

The product of its digits is 42000, while the sum is 35.

The square root of 55765241 is about 7467.6128046384. The cubic root of 55765241 is about 382.0508713078.

The spelling of 55765241 in words is "fifty-five million, seven hundred sixty-five thousand, two hundred forty-one".

Divisors: 1 7 7966463 55765241