56842172258 has 8 divisors (see below), whose sum is σ = 85296847440. Its totient is φ = 28409889780.

The previous prime is 56842172251. The next prime is 56842172273. The reversal of 56842172258 is 85227124865.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56842172251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5591828 + ... + 5601983.

It is an arithmetic number, because the mean of its divisors is an integer number (10662105930).

Almost surely, 2^56842172258 is an apocalyptic number.

56842172258 is a deficient number, since it is larger than the sum of its proper divisors (28454675182).

56842172258 is a wasteful number, since it uses less digits than its factorization.

56842172258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11196352.

The product of its digits is 2150400, while the sum is 50.

The spelling of 56842172258 in words is "fifty-six billion, eight hundred forty-two million, one hundred seventy-two thousand, two hundred fifty-eight".