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54420799 = 67380863
BaseRepresentation
bin1100111110011…
…0010100111111
310210101212022011
43033212110333
5102412431144
65222232051
71230366136
oct317462477
9123355264
1054420799
11287a0174
1216285627
13b375674
14732891d
154b9ea34
hex33e653f

54420799 has 4 divisors (see below), whose sum is σ = 54502336. Its totient is φ = 54339264.

The previous prime is 54420787. The next prime is 54420803. The reversal of 54420799 is 99702445.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99702445 = 519940489.

It is a cyclic number.

It is not a de Polignac number, because 54420799 - 25 = 54420767 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 (54430799) 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, 39759 + ... + 41104.

It is an arithmetic number, because the mean of its divisors is an integer number (13625584).

Almost surely, 254420799 is an apocalyptic number.

54420799 is a deficient number, since it is larger than the sum of its proper divisors (81537).

54420799 is an equidigital number, since it uses as much as digits as its factorization.

54420799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81536.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 54420799 is about 7377.0454112741. The cubic root of 54420799 is about 378.9555785059.

The spelling of 54420799 in words is "fifty-four million, four hundred twenty thousand, seven hundred ninety-nine".

Divisors: 1 673 80863 54420799