5245720056 has 160 divisors (see below), whose sum is σ = 16060049280. Its totient is φ = 1592524800.

The previous prime is 5245720003. The next prime is 5245720093. The reversal of 5245720056 is 6500275425.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5245720056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 333816 + ... + 349176.

It is an arithmetic number, because the mean of its divisors is an integer number (100375308).

Almost surely, 2^5245720056 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 5245720056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8030024640).

5245720056 is an abundant number, since it is smaller than the sum of its proper divisors (10814329224).

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

5245720056 is a wasteful number, since it uses less digits than its factorization.

5245720056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15427 (or 15414 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The square root of 5245720056 is about 72427.3432896720. The cubic root of 5245720056 is about 1737.5409019994.

The spelling of 5245720056 in words is "five billion, two hundred forty-five million, seven hundred twenty thousand, fifty-six".