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54933979 = 283194113
BaseRepresentation
bin1101000110001…
…1100111011011
310211100221020211
43101203213123
5103030341404
65241231551
71234634242
oct321434733
9124327224
1054933979
1129010791
12164925b7
13b4c5119
14741d959
154c51b04
hex34639db

54933979 has 4 divisors (see below), whose sum is σ = 55128376. Its totient is φ = 54739584.

The previous prime is 54933971. The next prime is 54934003. The reversal of 54933979 is 97933945.

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

It is a cyclic number.

It is not a de Polignac number, because 54933979 - 23 = 54933971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54933971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96774 + ... + 97339.

It is an arithmetic number, because the mean of its divisors is an integer number (13782094).

Almost surely, 254933979 is an apocalyptic number.

54933979 is a deficient number, since it is larger than the sum of its proper divisors (194397).

54933979 is a wasteful number, since it uses less digits than its factorization.

54933979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194396.

The product of its digits is 918540, while the sum is 49.

The square root of 54933979 is about 7411.7460156160. The cubic root of 54933979 is about 380.1430186499.

The spelling of 54933979 in words is "fifty-four million, nine hundred thirty-three thousand, nine hundred seventy-nine".

Divisors: 1 283 194113 54933979