5123005056 has 320 divisors, whose sum is σ = 16587648000. Its totient is φ = 1560176640.

The previous prime is 5123005051. The next prime is 5123005057. The reversal of 5123005056 is 6505003215.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5123005051) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25743645 + ... + 25743843.

It is an arithmetic number, because the mean of its divisors is an integer number (51836400).

Almost surely, 2^5123005056 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 5123005056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8293824000).

5123005056 is an abundant number, since it is smaller than the sum of its proper divisors (11464642944).

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

5123005056 is a wasteful number, since it uses less digits than its factorization.

5123005056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5123005056 is about 71575.1706669289. The cubic root of 5123005056 is about 1723.8848838319.

The spelling of 5123005056 in words is "five billion, one hundred twenty-three million, five thousand, fifty-six".