56498884172015 has 4 divisors (see below), whose sum is σ = 67798661006424. Its totient is φ = 45199107337608.

The previous prime is 56498884171973. The next prime is 56498884172039. The reversal of 56498884172015 is 51027148889465.

It is a happy number.

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 56498884172015 - 2¹⁴ = 56498884155631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5649888417197 + ... + 5649888417206.

It is an arithmetic number, because the mean of its divisors is an integer number (16949665251606).

Almost surely, 2^{56498884172015} is an apocalyptic number.

56498884172015 is a deficient number, since it is larger than the sum of its proper divisors (11299776834409).

56498884172015 is a wasteful number, since it uses less digits than its factorization.

56498884172015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11299776834408.

The product of its (nonzero) digits is 154828800, while the sum is 68.

The spelling of 56498884172015 in words is "fifty-six trillion, four hundred ninety-eight billion, eight hundred eighty-four million, one hundred seventy-two thousand, fifteen".