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54808201 = 753971523
BaseRepresentation
bin1101000100010…
…0111010001001
310211010112201101
43101010322021
5103012330301
65234421401
71233601450
oct321047211
9124115641
1054808201
1128a35238
1216431861
13b47cab6
1473c9b97
154c29701
hex3444e89

54808201 has 16 divisors (see below), whose sum is σ = 64520064. Its totient is φ = 45586944.

The previous prime is 54808199. The next prime is 54808219. The reversal of 54808201 is 10280845.

It is a cyclic number.

It is not a de Polignac number, because 54808201 - 21 = 54808199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54808201.

It is not an unprimeable number, because it can be changed into a prime (54800201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35226 + ... + 36748.

It is an arithmetic number, because the mean of its divisors is an integer number (4032504).

Almost surely, 254808201 is an apocalyptic number.

It is an amenable number.

54808201 is a deficient number, since it is larger than the sum of its proper divisors (9711863).

54808201 is a wasteful number, since it uses less digits than its factorization.

54808201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 54808201 is about 7403.2561079568. The cubic root of 54808201 is about 379.8526691088.

The spelling of 54808201 in words is "fifty-four million, eight hundred eight thousand, two hundred one".

Divisors: 1 7 53 97 371 679 1523 5141 10661 35987 80719 147731 565033 1034117 7829743 54808201