56122950919 has 4 divisors (see below), whose sum is σ = 64140515344. Its totient is φ = 48105386496.

The previous prime is 56122950893. The next prime is 56122950929. The reversal of 56122950919 is 91905922165.

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 56122950919 - 2¹³ = 56122942727 is a prime.

It is a super-2 number, since 2×56122950919² (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 (56122950929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4008782202 + ... + 4008782215.

It is an arithmetic number, because the mean of its divisors is an integer number (16035128836).

Almost surely, 2^56122950919 is an apocalyptic number.

56122950919 is a deficient number, since it is larger than the sum of its proper divisors (8017564425).

56122950919 is an equidigital number, since it uses as much as digits as its factorization.

56122950919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8017564424.

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 56122950919 in words is "fifty-six billion, one hundred twenty-two million, nine hundred fifty thousand, nine hundred nineteen".