56390335 has 4 divisors (see below), whose sum is σ = 67668408. Its totient is φ = 45112264.

The previous prime is 56390303. The next prime is 56390353. The reversal of 56390335 is 53309365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56390335 - 2⁵ = 56390303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56390335.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5639029 + ... + 5639038.

It is an arithmetic number, because the mean of its divisors is an integer number (16917102).

Almost surely, 2^56390335 is an apocalyptic number.

56390335 is a deficient number, since it is larger than the sum of its proper divisors (11278073).

56390335 is a wasteful number, since it uses less digits than its factorization.

56390335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11278072.

The product of its (nonzero) digits is 36450, while the sum is 34.

The square root of 56390335 is about 7509.3498387011. The cubic root of 56390335 is about 383.4730887184.

The spelling of 56390335 in words is "fifty-six million, three hundred ninety thousand, three hundred thirty-five".