56107399137 has 8 divisors (see below), whose sum is σ = 74982638304. Its totient is φ = 37318546368.

The previous prime is 56107399121. The next prime is 56107399177. The reversal of 56107399137 is 73199370165.

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

It is not a de Polignac number, because 56107399137 - 2⁴ = 56107399121 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56107399137.

It is not an unprimeable number, because it can be changed into a prime (56107399177) 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, 21595083 + ... + 21597680.

It is an arithmetic number, because the mean of its divisors is an integer number (9372829788).

Almost surely, 2^56107399137 is an apocalyptic number.

It is an amenable number.

56107399137 is a deficient number, since it is larger than the sum of its proper divisors (18875239167).

56107399137 is a wasteful number, since it uses less digits than its factorization.

56107399137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43193199.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The spelling of 56107399137 in words is "fifty-six billion, one hundred seven million, three hundred ninety-nine thousand, one hundred thirty-seven".