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54642433 is a prime number
BaseRepresentation
bin1101000001110…
…0011100000001
310210211010022211
43100130130001
5102442024213
65231102121
71232311246
oct320343401
9123733284
1054642433
112893173a
1216371941
13b422501
1473855cd
154be553d
hex341c701

54642433 has 2 divisors, whose sum is σ = 54642434. Its totient is φ = 54642432.

The previous prime is 54642431. The next prime is 54642487. The reversal of 54642433 is 33424645.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30603024 + 24039409 = 5532^2 + 4903^2 .

It is a cyclic number.

It is not a de Polignac number, because 54642433 - 21 = 54642431 is a prime.

Together with 54642431, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 54642395 and 54642404.

It is not a weakly prime, because it can be changed into another prime (54642431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27321216 + 27321217.

It is an arithmetic number, because the mean of its divisors is an integer number (27321217).

Almost surely, 254642433 is an apocalyptic number.

It is an amenable number.

54642433 is a deficient number, since it is larger than the sum of its proper divisors (1).

54642433 is an equidigital number, since it uses as much as digits as its factorization.

54642433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 31.

The square root of 54642433 is about 7392.0520155096. The cubic root of 54642433 is about 379.4693261974.

The spelling of 54642433 in words is "fifty-four million, six hundred forty-two thousand, four hundred thirty-three".