5171572056 has 128 divisors (see below), whose sum is σ = 15178752000. Its totient is φ = 1437681792.

The previous prime is 5171572033. The next prime is 5171572061. The reversal of 5171572056 is 6502751715.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411555 + ... + 1415213.

It is an arithmetic number, because the mean of its divisors is an integer number (118584000).

Almost surely, 2^5171572056 is an apocalyptic number.

5171572056 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5171572056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7589376000).

5171572056 is an abundant number, since it is smaller than the sum of its proper divisors (10007179944).

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

5171572056 is a wasteful number, since it uses less digits than its factorization.

5171572056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3901 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 39.

The square root of 5171572056 is about 71913.6430449744. The cubic root of 5171572056 is about 1729.3153377933.

The spelling of 5171572056 in words is "five billion, one hundred seventy-one million, five hundred seventy-two thousand, fifty-six".