56206624 has 48 divisors (see below), whose sum is σ = 117904248. Its totient is φ = 26284032.

The previous prime is 56206621. The next prime is 56206637. The reversal of 56206624 is 42660265.

It can be written as a sum of positive squares in 4 ways, for example, as 47610000 + 8596624 = 6900^2 + 2932^2 .

It is not an unprimeable number, because it can be changed into a prime (56206621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150502 + ... + 150874.

Almost surely, 2^56206624 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 56206624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58952124).

56206624 is an abundant number, since it is smaller than the sum of its proper divisors (61697624).

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

56206624 is a wasteful number, since it uses less digits than its factorization.

56206624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677 (or 669 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 56206624 is about 7497.1077089768. The cubic root of 56206624 is about 383.0562036470.

Adding to 56206624 its reverse (42660265), we get a palindrome (98866889).

The spelling of 56206624 in words is "fifty-six million, two hundred six thousand, six hundred twenty-four".