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55241913 = 321318641
BaseRepresentation
bin1101001010111…
…0110010111001
310211221120122210
43102232302321
5103120220123
65252005333
71240356066
oct322566271
9124846583
1055241913
1129201081
1216600849
13b5a232c
14749dc6d
154cb2e93
hex34aecb9

55241913 has 8 divisors (see below), whose sum is σ = 73698976. Its totient is φ = 36806400.

The previous prime is 55241909. The next prime is 55241933. The reversal of 55241913 is 31914255.

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

It is not a de Polignac number, because 55241913 - 22 = 55241909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55241933) 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, 2073 + ... + 10713.

It is an arithmetic number, because the mean of its divisors is an integer number (9212372).

Almost surely, 255241913 is an apocalyptic number.

It is an amenable number.

55241913 is a deficient number, since it is larger than the sum of its proper divisors (18457063).

55241913 is a wasteful number, since it uses less digits than its factorization.

55241913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775.

The product of its digits is 5400, while the sum is 30.

The square root of 55241913 is about 7432.4903632632. The cubic root of 55241913 is about 380.8519964402.

The spelling of 55241913 in words is "fifty-five million, two hundred forty-one thousand, nine hundred thirteen".

Divisors: 1 3 2131 6393 8641 25923 18413971 55241913