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54485611497 = 3319106209769
BaseRepresentation
bin110010101111100110…
…000111001111101001
312012122012021211211000
4302233212013033221
51343041304031442
641010315425213
73636130025202
oct625746071751
9165565254730
1054485611497
112111a786399
12a687155209
1351a4179305
1428cc3725a9
15163d58ed4c
hexcaf9873e9

54485611497 has 16 divisors (see below), whose sum is σ = 84967816000. Its totient is φ = 34411964832.

The previous prime is 54485611471. The next prime is 54485611511. The reversal of 54485611497 is 79411658445.

54485611497 is a `hidden beast` number, since 5 + 4 + 485 + 61 + 14 + 97 = 666.

It is not a de Polignac number, because 54485611497 - 212 = 54485607401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54485611097) 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, 53104372 + ... + 53105397.

It is an arithmetic number, because the mean of its divisors is an integer number (5310488500).

Almost surely, 254485611497 is an apocalyptic number.

54485611497 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

54485611497 is a deficient number, since it is larger than the sum of its proper divisors (30482204503).

54485611497 is a wasteful number, since it uses less digits than its factorization.

54485611497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106209797 (or 106209791 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 54.

The spelling of 54485611497 in words is "fifty-four billion, four hundred eighty-five million, six hundred eleven thousand, four hundred ninety-seven".

Divisors: 1 3 9 19 27 57 171 513 106209769 318629307 955887921 2017985611 2867663763 6053956833 18161870499 54485611497