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55013951305872 = 24321323175796331
BaseRepresentation
bin11001000001000111011110…
…00001100111100010010000
321012210021121212010011100100
430200203233001213202100
524202322033013241442
6313001021010452400
714405424666343356
oct1440435701474220
9235707555104310
1055013951305872
11165903163351a9
1262060a4b94100
132490a40ca7200
14d82991bcd7d6
1565608c09684c
hex3208ef067890

55013951305872 has 360 divisors, whose sum is σ = 172324051531008. Its totient is φ = 16359515827200.

The previous prime is 55013951305861. The next prime is 55013951306003. The reversal of 55013951305872 is 27850315931055.

55013951305872 is a `hidden beast` number, since 5 + 5 + 0 + 1 + 3 + 9 + 51 + 3 + 0 + 587 + 2 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 71 ways as a sum of consecutive naturals, for example, 571044747 + ... + 571141077.

Almost surely, 255013951305872 is an apocalyptic number.

55013951305872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55013951305872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86162025765504).

55013951305872 is an abundant number, since it is smaller than the sum of its proper divisors (117310100225136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55013951305872 is a wasteful number, since it uses less digits than its factorization.

55013951305872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97159 (or 97137 counting only the distinct ones).

The product of its (nonzero) digits is 5670000, while the sum is 54.

The spelling of 55013951305872 in words is "fifty-five trillion, thirteen billion, nine hundred fifty-one million, three hundred five thousand, eight hundred seventy-two".