56121876480 has 224 divisors, whose sum is σ = 185783220000. Its totient is φ = 14448852992.

The previous prime is 56121876479. The next prime is 56121876511. The reversal of 56121876480 is 8467812165.

It is a super-3 number, since 3×56121876480³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3555646 + ... + 3571394.

It is an arithmetic number, because the mean of its divisors is an integer number (829389375).

Almost surely, 2^56121876480 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56121876480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92891610000).

56121876480 is an abundant number, since it is smaller than the sum of its proper divisors (129661343520).

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

56121876480 is a wasteful number, since it uses less digits than its factorization.

56121876480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15812 (or 15788 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The spelling of 56121876480 in words is "fifty-six billion, one hundred twenty-one million, eight hundred seventy-six thousand, four hundred eighty".