56706736380 has 96 divisors (see below), whose sum is σ = 181708101120. Its totient is φ = 12943929600.

The previous prime is 56706736357. The next prime is 56706736381. The reversal of 56706736380 is 8363760765.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56706736381) 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, 219030 + ... + 401730.

It is an arithmetic number, because the mean of its divisors is an integer number (1892792720).

Almost surely, 2^56706736380 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 56706736380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90854050560).

56706736380 is an abundant number, since it is smaller than the sum of its proper divisors (125001364740).

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

56706736380 is a wasteful number, since it uses less digits than its factorization.

56706736380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183459 (or 183457 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 56706736380 in words is "fifty-six billion, seven hundred six million, seven hundred thirty-six thousand, three hundred eighty".