56142539486 has 16 divisors (see below), whose sum is σ = 92331273600. Its totient is φ = 25391096280.

The previous prime is 56142539437. The next prime is 56142539527. The reversal of 56142539486 is 68493524165.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6407516 + ... + 6416271.

It is an arithmetic number, because the mean of its divisors is an integer number (5770704600).

Almost surely, 2^56142539486 is an apocalyptic number.

56142539486 is a deficient number, since it is larger than the sum of its proper divisors (36188734114).

56142539486 is a wasteful number, since it uses less digits than its factorization.

56142539486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12823999.

The product of its digits is 6220800, while the sum is 53.

The spelling of 56142539486 in words is "fifty-six billion, one hundred forty-two million, five hundred thirty-nine thousand, four hundred eighty-six".