56203297919 has 4 divisors (see below), whose sum is σ = 56203820496. Its totient is φ = 56202775344.

The previous prime is 56203297901. The next prime is 56203297991. The reversal of 56203297919 is 91979230265.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56203297919 - 2¹² = 56203293823 is a prime.

It is a super-2 number, since 2×56203297919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56203237919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34139 + ... + 337004.

It is an arithmetic number, because the mean of its divisors is an integer number (14050955124).

Almost surely, 2^56203297919 is an apocalyptic number.

56203297919 is a deficient number, since it is larger than the sum of its proper divisors (522577).

56203297919 is a wasteful number, since it uses less digits than its factorization.

56203297919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522576.

The product of its (nonzero) digits is 1837080, while the sum is 53.

The spelling of 56203297919 in words is "fifty-six billion, two hundred three million, two hundred ninety-seven thousand, nine hundred nineteen".