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55542245313 = 3231375875621
BaseRepresentation
bin110011101110100100…
…110110011111000001
312022100211112101220210
4303232210312133001
51402222303322223
641303223024333
74004250203232
oct635644663701
9168324471823
1055542245313
1121612170a85
12a920b9b0a9
135312055219
14298c823089
1516a120b893
hexcee9367c1

55542245313 has 16 divisors (see below), whose sum is σ = 77840240256. Its totient is φ = 35159710080.

The previous prime is 55542245309. The next prime is 55542245327. The reversal of 55542245313 is 31354224555.

It is not a de Polignac number, because 55542245313 - 22 = 55542245309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55542245383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2928358 + ... + 2947263.

It is an arithmetic number, because the mean of its divisors is an integer number (4865015016).

Almost surely, 255542245313 is an apocalyptic number.

It is an amenable number.

55542245313 is a deficient number, since it is larger than the sum of its proper divisors (22297994943).

55542245313 is a wasteful number, since it uses less digits than its factorization.

55542245313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875784.

The product of its digits is 360000, while the sum is 39.

Adding to 55542245313 its reverse (31354224555), we get a palindrome (86896469868).

The spelling of 55542245313 in words is "fifty-five billion, five hundred forty-two million, two hundred forty-five thousand, three hundred thirteen".

Divisors: 1 3 23 69 137 411 3151 9453 5875621 17626863 135139283 405417849 804960077 2414880231 18514081771 55542245313