56690193 has 16 divisors (see below), whose sum is σ = 90141696. Its totient is φ = 30985680.

The previous prime is 56690191. The next prime is 56690201. The reversal of 56690193 is 39109665.

It is not a de Polignac number, because 56690193 - 2¹ = 56690191 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56690191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58203 + ... + 59168.

It is an arithmetic number, because the mean of its divisors is an integer number (5633856).

Almost surely, 2^56690193 is an apocalyptic number.

It is an amenable number.

56690193 is a deficient number, since it is larger than the sum of its proper divisors (33451503).

56690193 is a wasteful number, since it uses less digits than its factorization.

56690193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117404.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 56690193 is about 7529.2890102585. The cubic root of 56690193 is about 384.1515989425.

The spelling of 56690193 in words is "fifty-six million, six hundred ninety thousand, one hundred ninety-three".