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54520111 = 67978389
BaseRepresentation
bin1100111111111…
…0100100101111
310210120220112101
43033332210233
5102424120421
65224315531
71231261522
oct317764457
9123526471
1054520111
1128858848
1216312ba7
13b3ab929
147352bb9
154bbe191
hex33fe92f

54520111 has 8 divisors (see below), whose sum is σ = 55910960. Its totient is φ = 53146368.

The previous prime is 54520073. The next prime is 54520157. The reversal of 54520111 is 11102545.

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

It is a cyclic number.

It is not a de Polignac number, because 54520111 - 211 = 54518063 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 (54520171) 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, 2305 + ... + 10693.

It is an arithmetic number, because the mean of its divisors is an integer number (6988870).

Almost surely, 254520111 is an apocalyptic number.

54520111 is a deficient number, since it is larger than the sum of its proper divisors (1390849).

54520111 is an equidigital number, since it uses as much as digits as its factorization.

54520111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8553.

The product of its (nonzero) digits is 200, while the sum is 19.

The square root of 54520111 is about 7383.7734932756. The cubic root of 54520111 is about 379.1859559053.

Adding to 54520111 its reverse (11102545), we get a palindrome (65622656).

The spelling of 54520111 in words is "fifty-four million, five hundred twenty thousand, one hundred eleven".

Divisors: 1 67 97 6499 8389 562063 813733 54520111