56527278920238 has 128 divisors (see below), whose sum is σ = 132432733762560. Its totient is φ = 15748493967360.

The previous prime is 56527278920171. The next prime is 56527278920257. The reversal of 56527278920238 is 83202987272565.

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, 4014429358 + ... + 4014443438.

It is an arithmetic number, because the mean of its divisors is an integer number (1034630732520).

Almost surely, 2^{56527278920238} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56527278920238, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66216366881280).

56527278920238 is an abundant number, since it is smaller than the sum of its proper divisors (75905454842322).

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

56527278920238 is a wasteful number, since it uses less digits than its factorization.

56527278920238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722.

The product of its (nonzero) digits is 203212800, while the sum is 66.

The spelling of 56527278920238 in words is "fifty-six trillion, five hundred twenty-seven billion, two hundred seventy-eight million, nine hundred twenty thousand, two hundred thirty-eight".