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55995590477120 = 2657175343164373
BaseRepresentation
bin11001011101101011111010…
…10001111000010101000000
321100021010101222101211210212
430232311331101320111000
524314412432130231440
6315032004045013252
714536355634542420
oct1456657521702500
9240233358354725
1055995590477120
1116929662027758
1263443a1b54228
132532491367428
14db82b5920480
1567189192c465
hex32ed7d478540

55995590477120 has 448 divisors, whose sum is σ = 164780366985216. Its totient is φ = 17686830120960.

The previous prime is 55995590477087. The next prime is 55995590477129. The reversal of 55995590477120 is 2177409559955.

55995590477120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (68).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55995590477129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 869829254 + ... + 869893626.

Almost surely, 255995590477120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55995590477120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82390183492608).

55995590477120 is an abundant number, since it is smaller than the sum of its proper divisors (108784776508096).

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

55995590477120 is a wasteful number, since it uses less digits than its factorization.

55995590477120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64898 (or 64888 counting only the distinct ones).

The product of its (nonzero) digits is 178605000, while the sum is 68.

The spelling of 55995590477120 in words is "fifty-five trillion, nine hundred ninety-five billion, five hundred ninety million, four hundred seventy-seven thousand, one hundred twenty".