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54400436159 = 98689551231
BaseRepresentation
bin110010101010100001…
…001100011110111111
312012102021000111012212
4302222201030132333
51342403002424114
640554034051035
73634044035456
oct625241143677
9165367014185
1054400436159
112108669a953
12a662719a7b
13518c6263c4
1428c0d1db9d
151635d67b3e
hexcaa84c7bf

54400436159 has 4 divisors (see below), whose sum is σ = 54401086080. Its totient is φ = 54399786240.

The previous prime is 54400436143. The next prime is 54400436173. The reversal of 54400436159 is 95163400445.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54400436159 - 24 = 54400436143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400436179) 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, 176927 + ... + 374304.

It is an arithmetic number, because the mean of its divisors is an integer number (13600271520).

Almost surely, 254400436159 is an apocalyptic number.

54400436159 is a deficient number, since it is larger than the sum of its proper divisors (649921).

54400436159 is an equidigital number, since it uses as much as digits as its factorization.

54400436159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649920.

The product of its (nonzero) digits is 259200, while the sum is 41.

The spelling of 54400436159 in words is "fifty-four billion, four hundred million, four hundred thirty-six thousand, one hundred fifty-nine".

Divisors: 1 98689 551231 54400436159