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55244514515 = 511048902903
BaseRepresentation
bin110011011100110101…
…000110010011010011
312021121002022010001012
4303130311012103103
51401120043431030
641213505401135
73664003424351
oct633465062323
9167532263035
1055244514515
112147a0a7473
12a8593391ab
135295470258
1429610807d1
151684eea095
hexcdcd464d3

55244514515 has 4 divisors (see below), whose sum is σ = 66293417424. Its totient is φ = 44195611608.

The previous prime is 55244514509. The next prime is 55244514529. The reversal of 55244514515 is 51541544255.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51541544255 = 510308308851.

It is a cyclic number.

It is not a de Polignac number, because 55244514515 - 222 = 55240320211 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5524451447 + ... + 5524451456.

It is an arithmetic number, because the mean of its divisors is an integer number (16573354356).

Almost surely, 255244514515 is an apocalyptic number.

55244514515 is a deficient number, since it is larger than the sum of its proper divisors (11048902909).

55244514515 is a wasteful number, since it uses less digits than its factorization.

55244514515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11048902908.

The product of its digits is 400000, while the sum is 41.

The spelling of 55244514515 in words is "fifty-five billion, two hundred forty-four million, five hundred fourteen thousand, five hundred fifteen".

Divisors: 1 5 11048902903 55244514515