56253173706 has 96 divisors (see below), whose sum is σ = 136944295488. Its totient is φ = 17237525760.

The previous prime is 56253173701. The next prime is 56253173731. The reversal of 56253173706 is 60737135265.

56253173706 is a `hidden beast` number, since 5 + 625 + 3 + 17 + 3 + 7 + 0 + 6 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56253173701) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 276096 + ... + 434436.

It is an arithmetic number, because the mean of its divisors is an integer number (1426503078).

Almost surely, 2^56253173706 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56253173706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68472147744).

56253173706 is an abundant number, since it is smaller than the sum of its proper divisors (80691121782).

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

56253173706 is a wasteful number, since it uses less digits than its factorization.

56253173706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158418 (or 158406 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 56253173706 in words is "fifty-six billion, two hundred fifty-three million, one hundred seventy-three thousand, seven hundred six".