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54953189859 = 3277451314653
BaseRepresentation
bin110011001011011101…
…110010000111100011
312020211210010021202010
4303023131302013203
51400021004033414
641124541324003
73653535256341
oct631335620743
9166753107663
1054953189859
112133a708997
12a797866603
135249cbc0b9
1429344c8991
151669651959
hexccb7721e3

54953189859 has 16 divisors (see below), whose sum is σ = 73556749472. Its totient is φ = 36492622848.

The previous prime is 54953189813. The next prime is 54953189873. The reversal of 54953189859 is 95898135945.

It is not a de Polignac number, because 54953189859 - 216 = 54953124323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54953189859.

It is not an unprimeable number, because it can be changed into a prime (54953189359) 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, 3742977 + ... + 3757629.

It is an arithmetic number, because the mean of its divisors is an integer number (4597296842).

Almost surely, 254953189859 is an apocalyptic number.

54953189859 is a deficient number, since it is larger than the sum of its proper divisors (18603559613).

54953189859 is a wasteful number, since it uses less digits than its factorization.

54953189859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19446.

The product of its digits is 69984000, while the sum is 66.

The spelling of 54953189859 in words is "fifty-four billion, nine hundred fifty-three million, one hundred eighty-nine thousand, eight hundred fifty-nine".

Divisors: 1 3 277 831 4513 13539 14653 43959 1250101 3750303 4058881 12176643 66128989 198386967 18317729953 54953189859