56195762381 has 12 divisors (see below), whose sum is σ = 62180133792. Its totient is φ = 50367471000.

The previous prime is 56195762351. The next prime is 56195762459. The reversal of 56195762381 is 18326759165.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-56195762381 is a prime.

It is a super-2 number, since 2×56195762381² (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 (56195762321) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 451265 + ... + 562166.

It is an arithmetic number, because the mean of its divisors is an integer number (5181677816).

Almost surely, 2^56195762381 is an apocalyptic number.

It is an amenable number.

56195762381 is a deficient number, since it is larger than the sum of its proper divisors (5984371411).

56195762381 is a wasteful number, since it uses less digits than its factorization.

56195762381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013584 (or 1013513 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 56195762381 in words is "fifty-six billion, one hundred ninety-five million, seven hundred sixty-two thousand, three hundred eighty-one".