750000056 has 32 divisors (see below), whose sum is σ = 1546655040. Its totient is φ = 338786688.

The previous prime is 750000007. The next prime is 750000073. The reversal of 750000056 is 650000057.

750000056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 749999986 and 750000040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71831 + ... + 81606.

It is an arithmetic number, because the mean of its divisors is an integer number (48332970).

Almost surely, 2^750000056 is an apocalyptic number.

It is an amenable number.

750000056 is an abundant number, since it is smaller than the sum of its proper divisors (796654984).

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

750000056 is a wasteful number, since it uses less digits than its factorization.

750000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153503 (or 153499 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 750000056 is about 27386.1288976737. The cubic root of 750000056 is about 908.5603190291.

Subtracting from 750000056 its reverse (650000057), we obtain a palindrome (99999999).

The spelling of 750000056 in words is "seven hundred fifty million, fifty-six", and thus it is an aban number.