56950371813 has 8 divisors (see below), whose sum is σ = 75949993728. Its totient is φ = 37958832224.

The previous prime is 56950371809. The next prime is 56950371817. The reversal of 56950371813 is 31817305965.

It is an interprime number because it is at equal distance from previous prime (56950371809) and next prime (56950371817).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56950371813 - 2² = 56950371809 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56950371817) 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 7 ways as a sum of consecutive naturals, for example, 2004120 + ... + 2032337.

It is an arithmetic number, because the mean of its divisors is an integer number (9493749216).

Almost surely, 2^56950371813 is an apocalyptic number.

It is an amenable number.

56950371813 is a deficient number, since it is larger than the sum of its proper divisors (18999621915).

56950371813 is a wasteful number, since it uses less digits than its factorization.

56950371813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4041163.

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 56950371813 in words is "fifty-six billion, nine hundred fifty million, three hundred seventy-one thousand, eight hundred thirteen".