56855594 has 4 divisors (see below), whose sum is σ = 85283394. Its totient is φ = 28427796.

The previous prime is 56855567. The next prime is 56855641. The reversal of 56855594 is 49555865.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49555865 = 5 ⋅9911173.

It can be written as a sum of positive squares in only one way, i.e., 35557369 + 21298225 = 5963^2 + 4615^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14213897 + ... + 14213900.

Almost surely, 2^56855594 is an apocalyptic number.

56855594 is a deficient number, since it is larger than the sum of its proper divisors (28427800).

56855594 is a wasteful number, since it uses less digits than its factorization.

56855594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28427799.

The product of its digits is 1080000, while the sum is 47.

The square root of 56855594 is about 7540.2648494599. The cubic root of 56855594 is about 384.5248402431.

The spelling of 56855594 in words is "fifty-six million, eight hundred fifty-five thousand, five hundred ninety-four".