56099943 has 6 divisors (see below), whose sum is σ = 81033264. Its totient is φ = 37399956.

The previous prime is 56099941. The next prime is 56099957. The reversal of 56099943 is 34999065.

It is a happy number.

It is not a de Polignac number, because 56099943 - 2¹ = 56099941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56099941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3116655 + ... + 3116672.

It is an arithmetic number, because the mean of its divisors is an integer number (13505544).

Almost surely, 2^56099943 is an apocalyptic number.

56099943 is a deficient number, since it is larger than the sum of its proper divisors (24933321).

56099943 is a wasteful number, since it uses less digits than its factorization.

56099943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6233333 (or 6233330 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 56099943 is about 7489.9895193518. The cubic root of 56099943 is about 382.8137013862.

The spelling of 56099943 in words is "fifty-six million, ninety-nine thousand, nine hundred forty-three".