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54896021 is a prime number
BaseRepresentation
bin1101000101101…
…0010110010101
310211022000011222
43101122112111
5103023133041
65240340125
71234415465
oct321322625
9124260158
1054896021
1128a95214
1216474645
13b4b0a6b
14740dba5
154c4574b
hex345a595

54896021 has 2 divisors, whose sum is σ = 54896022. Its totient is φ = 54896020.

The previous prime is 54895987. The next prime is 54896027. The reversal of 54896021 is 12069845.

54896021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54316900 + 579121 = 7370^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 54896021 - 26 = 54895957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54896027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27448010 + 27448011.

It is an arithmetic number, because the mean of its divisors is an integer number (27448011).

Almost surely, 254896021 is an apocalyptic number.

It is an amenable number.

54896021 is a deficient number, since it is larger than the sum of its proper divisors (1).

54896021 is an equidigital number, since it uses as much as digits as its factorization.

54896021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 54896021 is about 7409.1849079369. The cubic root of 54896021 is about 380.0554420491.

It can be divided in two parts, 548 and 96021, that added together give a palindrome (96569).

The spelling of 54896021 in words is "fifty-four million, eight hundred ninety-six thousand, twenty-one".