56155215246 has 16 divisors (see below), whose sum is σ = 120949694544. Its totient is φ = 17278527744.

The previous prime is 56155215229. The next prime is 56155215251. The reversal of 56155215246 is 64251255165.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56155215198 and 56155215207.

It is a congruent number.

It is an unprimeable number.

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, 359969251 + ... + 359969406.

It is an arithmetic number, because the mean of its divisors is an integer number (7559355909).

Almost surely, 2^56155215246 is an apocalyptic number.

56155215246 is an abundant number, since it is smaller than the sum of its proper divisors (64794479298).

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

56155215246 is a wasteful number, since it uses less digits than its factorization.

56155215246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719938675.

The product of its digits is 360000, while the sum is 42.

The spelling of 56155215246 in words is "fifty-six billion, one hundred fifty-five million, two hundred fifteen thousand, two hundred forty-six".