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54588985 = 51131101317
BaseRepresentation
bin1101000000111…
…1011000111001
310210201102000021
43100033120321
5102433321420
65230010441
71231666363
oct320173071
9123642007
1054588985
11288a5570
1216346a21
13b404099
14736dd33
154bd47aa
hex340f639

54588985 has 32 divisors (see below), whose sum is σ = 74732544. Its totient is φ = 37920000.

The previous prime is 54588967. The next prime is 54588997. The reversal of 54588985 is 58988545.

54588985 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54588985 - 213 = 54580793 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172047 + ... + 172363.

It is an arithmetic number, because the mean of its divisors is an integer number (2335392).

Almost surely, 254588985 is an apocalyptic number.

54588985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54588985 is a deficient number, since it is larger than the sum of its proper divisors (20143559).

54588985 is a wasteful number, since it uses less digits than its factorization.

54588985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465.

The product of its digits is 2304000, while the sum is 52.

The square root of 54588985 is about 7388.4358967240. The cubic root of 54588985 is about 379.3455610093.

The spelling of 54588985 in words is "fifty-four million, five hundred eighty-eight thousand, nine hundred eighty-five".

Divisors: 1 5 11 31 55 101 155 317 341 505 1111 1585 1705 3131 3487 5555 9827 15655 17435 32017 34441 49135 108097 160085 172205 352187 540485 992527 1760935 4962635 10917797 54588985