56920783 has 2 divisors, whose sum is σ = 56920784. Its totient is φ = 56920782.

The previous prime is 56920769. The next prime is 56920841. The reversal of 56920783 is 38702965.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56920783 - 2⁹ = 56920271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56920733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28460391 + 28460392.

It is an arithmetic number, because the mean of its divisors is an integer number (28460392).

Almost surely, 2^56920783 is an apocalyptic number.

56920783 is a deficient number, since it is larger than the sum of its proper divisors (1).

56920783 is an equidigital number, since it uses as much as digits as its factorization.

56920783 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 56920783 is about 7544.5863372355. The cubic root of 56920783 is about 384.6717458441.

The spelling of 56920783 in words is "fifty-six million, nine hundred twenty thousand, seven hundred eighty-three".