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54083511563 = 81761661483
BaseRepresentation
bin110010010111101000…
…001110010100001011
312011121011200001101212
4302113220032110023
51341230334332223
640502353203335
73623145156164
oct622750162413
9164534601355
1054083511563
1120a338067a4
12a59456054b
13513ba80c63
142890bc276b
151618114278
hexc97a0e50b

54083511563 has 4 divisors (see below), whose sum is σ = 54084254808. Its totient is φ = 54082768320.

The previous prime is 54083511557. The next prime is 54083511577. The reversal of 54083511563 is 36511538045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54083511563 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54083511563.

It is not an unprimeable number, because it can be changed into a prime (54083511583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248981 + ... + 412502.

It is an arithmetic number, because the mean of its divisors is an integer number (13521063702).

Almost surely, 254083511563 is an apocalyptic number.

54083511563 is a deficient number, since it is larger than the sum of its proper divisors (743245).

54083511563 is an equidigital number, since it uses as much as digits as its factorization.

54083511563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743244.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 54083511563 in words is "fifty-four billion, eighty-three million, five hundred eleven thousand, five hundred sixty-three".

Divisors: 1 81761 661483 54083511563