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55510550055997 = 891394487151407
BaseRepresentation
bin11001001111100100011101…
…00111100000110000111101
321021112202102200021110220021
430213302032213200300331
524233441101303242442
6314021110013252141
714456335115151451
oct1447621647406075
9237482380243807
1055510550055997
111676198a393293
126286396a94051
1324c881258229a
14d9ca213dc661
15663e542c6e67
hex327c8e9e0c3d

55510550055997 has 8 divisors (see below), whose sum is σ = 56538107740800. Its totient is φ = 54491966674464.

The previous prime is 55510550055991. The next prime is 55510550056019. The reversal of 55510550055997 is 79955005501555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55510550055997 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 (55510550055991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2243563333 + ... + 2243588074.

It is an arithmetic number, because the mean of its divisors is an integer number (7067263467600).

Almost surely, 255510550055997 is an apocalyptic number.

It is an amenable number.

55510550055997 is a deficient number, since it is larger than the sum of its proper divisors (1027557684803).

55510550055997 is a wasteful number, since it uses less digits than its factorization.

55510550055997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4487151635.

The product of its (nonzero) digits is 44296875, while the sum is 61.

The spelling of 55510550055997 in words is "fifty-five trillion, five hundred ten billion, five hundred fifty million, fifty-five thousand, nine hundred ninety-seven".

Divisors: 1 89 139 12371 4487151407 399356475223 623714045573 55510550055997