55342783 has 2 divisors, whose sum is σ = 55342784. Its totient is φ = 55342782.

The previous prime is 55342757. The next prime is 55342813. The reversal of 55342783 is 38724355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55342783 - 2⁵ = 55342751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55342723) 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 as a sum of consecutive naturals, namely, 27671391 + 27671392.

It is an arithmetic number, because the mean of its divisors is an integer number (27671392).

Almost surely, 2^55342783 is an apocalyptic number.

55342783 is a deficient number, since it is larger than the sum of its proper divisors (1).

55342783 is an equidigital number, since it uses as much as digits as its factorization.

55342783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100800, while the sum is 37.

The square root of 55342783 is about 7439.2730155574. The cubic root of 55342783 is about 381.0836634241.

The spelling of 55342783 in words is "fifty-five million, three hundred forty-two thousand, seven hundred eighty-three".