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54433885 = 5112573851
BaseRepresentation
bin1100111110100…
…1100001011101
310210102112020211
43033221201131
5102413341020
65222412421
71230452242
oct317514135
9123375224
1054433885
11287a9a90
1216291111
13b37b5cc
14732d5c9
154ba385a
hex33e985d

54433885 has 16 divisors (see below), whose sum is σ = 71554752. Its totient is φ = 39424000.

The previous prime is 54433877. The next prime is 54433889. The reversal of 54433885 is 58833445.

It is not a de Polignac number, because 54433885 - 23 = 54433877 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 (54433889) 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, 12210 + ... + 16060.

It is an arithmetic number, because the mean of its divisors is an integer number (4472172).

Almost surely, 254433885 is an apocalyptic number.

54433885 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54433885 is a deficient number, since it is larger than the sum of its proper divisors (17120867).

54433885 is a wasteful number, since it uses less digits than its factorization.

54433885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4124.

The product of its digits is 230400, while the sum is 40.

The square root of 54433885 is about 7377.9322984153. The cubic root of 54433885 is about 378.9859505656.

The spelling of 54433885 in words is "fifty-four million, four hundred thirty-three thousand, eight hundred eighty-five".

Divisors: 1 5 11 55 257 1285 2827 3851 14135 19255 42361 211805 989707 4948535 10886777 54433885