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56342549 is a prime number
BaseRepresentation
bin1101011011101…
…1100000010101
310221000111110002
43112323200111
5103410430144
65331341045
71252621664
oct326734025
9127014402
1056342549
1129892a9a
1216a51785
13b8992b3
1476a8ddb
154e2e14e
hex35bb815

56342549 has 2 divisors, whose sum is σ = 56342550. Its totient is φ = 56342548.

The previous prime is 56342521. The next prime is 56342557. The reversal of 56342549 is 94524365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42016324 + 14326225 = 6482^2 + 3785^2 .

It is a cyclic number.

It is not a de Polignac number, because 56342549 - 212 = 56338453 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56342509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28171274 + 28171275.

It is an arithmetic number, because the mean of its divisors is an integer number (28171275).

Almost surely, 256342549 is an apocalyptic number.

It is an amenable number.

56342549 is a deficient number, since it is larger than the sum of its proper divisors (1).

56342549 is an equidigital number, since it uses as much as digits as its factorization.

56342549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 38.

The square root of 56342549 is about 7506.1673975472. The cubic root of 56342549 is about 383.3647378598.

The spelling of 56342549 in words is "fifty-six million, three hundred forty-two thousand, five hundred forty-nine".