56507505231016 has 64 divisors (see below), whose sum is σ = 121355398644480. Its totient is φ = 24163929300480.

The previous prime is 56507505231013. The next prime is 56507505231019. The reversal of 56507505231016 is 61013250570565.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56507505231013) and next prime (56507505231019).

It is not an unprimeable number, because it can be changed into a prime (56507505231013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1071673245 + ... + 1071725971.

It is an arithmetic number, because the mean of its divisors is an integer number (1896178103820).

Almost surely, 2^{56507505231016} is an apocalyptic number.

56507505231016 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

56507505231016 is an abundant number, since it is smaller than the sum of its proper divisors (64847893413464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56507505231016 is a wasteful number, since it uses less digits than its factorization.

56507505231016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94714 (or 94710 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 46.

The spelling of 56507505231016 in words is "fifty-six trillion, five hundred seven billion, five hundred five million, two hundred thirty-one thousand, sixteen".