56646750 has 64 divisors (see below), whose sum is σ = 144488448. Its totient is φ = 14775200.

The previous prime is 56646749. The next prime is 56646757. The reversal of 56646750 is 5764665.

56646750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56646699 and 56646708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56646757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34447 + ... + 36053.

It is an arithmetic number, because the mean of its divisors is an integer number (2257632).

Almost surely, 2^56646750 is an apocalyptic number.

56646750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56646750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72244224).

56646750 is an abundant number, since it is smaller than the sum of its proper divisors (87841698).

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

56646750 is a wasteful number, since it uses less digits than its factorization.

56646750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 39.

The square root of 56646750 is about 7526.4035235961. The cubic root of 56646750 is about 384.0534457945.

The spelling of 56646750 in words is "fifty-six million, six hundred forty-six thousand, seven hundred fifty".