56343649 has 2 divisors, whose sum is σ = 56343650. Its totient is φ = 56343648.

The previous prime is 56343613. The next prime is 56343653. The reversal of 56343649 is 94634365.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29376400 + 26967249 = 5420^2 + 5193^2 .

It is a cyclic number.

It is not a de Polignac number, because 56343649 - 2⁹ = 56343137 is a prime.

It is not a weakly prime, because it can be changed into another prime (56346649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28171824 + 28171825.

It is an arithmetic number, because the mean of its divisors is an integer number (28171825).

Almost surely, 2^56343649 is an apocalyptic number.

It is an amenable number.

56343649 is a deficient number, since it is larger than the sum of its proper divisors (1).

56343649 is an equidigital number, since it uses as much as digits as its factorization.

56343649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 233280, while the sum is 40.

The square root of 56343649 is about 7506.2406702690. The cubic root of 56343649 is about 383.3672327089.

The spelling of 56343649 in words is "fifty-six million, three hundred forty-three thousand, six hundred forty-nine".