56207700 has 162 divisors, whose sum is σ = 187015374. Its totient is φ = 14117760.

The previous prime is 56207693. The next prime is 56207731. The reversal of 56207700 is 770265.

56207700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 12489156 + 43718544 = 3534^2 + 6612^2 .

It is a congruent number.

It is an unprimeable number.

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 53 ways as a sum of consecutive naturals, for example, 324814 + ... + 324986.

Almost surely, 2^56207700 is an apocalyptic number.

56207700 is a gapful number since it is divisible by the number (50) 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 56207700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93507687).

56207700 is an abundant number, since it is smaller than the sum of its proper divisors (130807674).

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

56207700 is a wasteful number, since it uses less digits than its factorization.

56207700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 231 (or 202 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 56207700 is about 7497.1794696406. The cubic root of 56207700 is about 383.0586479961.

Adding to 56207700 its reverse (770265), we get a palindrome (56977965).

The spelling of 56207700 in words is "fifty-six million, two hundred seven thousand, seven hundred".