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54491956 = 2259322973
BaseRepresentation
bin1100111111011…
…1101100110100
310210112110220121
43033313230310
5102422220311
65223541324
71231113451
oct317675464
9123473817
1054491956
1128839682
12162ba844
13b39bb7c
147346828
154bb5b71
hex33f7b34

54491956 has 12 divisors (see below), whose sum is σ = 95525892. Its totient is φ = 27198848.

The previous prime is 54491951. The next prime is 54491977. The reversal of 54491956 is 65919445.

It can be written as a sum of positive squares in 2 ways, for example, as 32307856 + 22184100 = 5684^2 + 4710^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54491951) 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, 9115 + ... + 13858.

It is an arithmetic number, because the mean of its divisors is an integer number (7960491).

Almost surely, 254491956 is an apocalyptic number.

It is an amenable number.

54491956 is a deficient number, since it is larger than the sum of its proper divisors (41033936).

54491956 is a wasteful number, since it uses less digits than its factorization.

54491956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23570 (or 23568 counting only the distinct ones).

The product of its digits is 194400, while the sum is 43.

The square root of 54491956 is about 7381.8667015871. The cubic root of 54491956 is about 379.1206722349.

The spelling of 54491956 in words is "fifty-four million, four hundred ninety-one thousand, nine hundred fifty-six".

Divisors: 1 2 4 593 1186 2372 22973 45946 91892 13622989 27245978 54491956