56034442126520 has 256 divisors, whose sum is σ = 148628448460800. Its totient is φ = 18744156426240.

The previous prime is 56034442126501. The next prime is 56034442126549. The reversal of 56034442126520 is 2562124443065.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2823879719 + ... + 2823899561.

It is an arithmetic number, because the mean of its divisors is an integer number (580579876800).

Almost surely, 2^{56034442126520} 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 56034442126520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74314224230400).

56034442126520 is an abundant number, since it is smaller than the sum of its proper divisors (92594006334280).

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

56034442126520 is a wasteful number, since it uses less digits than its factorization.

56034442126520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21550 (or 21546 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 56034442126520 its reverse (2562124443065), we get a palindrome (58596566569585).

The spelling of 56034442126520 in words is "fifty-six trillion, thirty-four billion, four hundred forty-two million, one hundred twenty-six thousand, five hundred twenty".