56758078972248 has 128 divisors (see below), whose sum is σ = 146018275603200. Its totient is φ = 18374634432000.

The previous prime is 56758078972237. The next prime is 56758078972249. The reversal of 56758078972248 is 84227987085765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56758078972249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1619282323 + ... + 1619317373.

It is an arithmetic number, because the mean of its divisors is an integer number (1140767778150).

Almost surely, 2^{56758078972248} 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 56758078972248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73009137801600).

56758078972248 is an abundant number, since it is smaller than the sum of its proper divisors (89260196630952).

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

56758078972248 is a wasteful number, since it uses less digits than its factorization.

56758078972248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43953 (or 43949 counting only the distinct ones).

The product of its (nonzero) digits is 3793305600, while the sum is 78.

The spelling of 56758078972248 in words is "fifty-six trillion, seven hundred fifty-eight billion, seventy-eight million, nine hundred seventy-two thousand, two hundred forty-eight".