56628526 has 4 divisors (see below), whose sum is σ = 84942792. Its totient is φ = 28314262.

The previous prime is 56628521. The next prime is 56628541. The reversal of 56628526 is 62582665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56628521) 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 as a sum of consecutive naturals, namely, 14157130 + ... + 14157133.

It is an arithmetic number, because the mean of its divisors is an integer number (21235698).

Almost surely, 2^56628526 is an apocalyptic number.

56628526 is a deficient number, since it is larger than the sum of its proper divisors (28314266).

56628526 is a wasteful number, since it uses less digits than its factorization.

56628526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28314265.

The product of its digits is 172800, while the sum is 40.

The square root of 56628526 is about 7525.1927550063. The cubic root of 56628526 is about 384.0122563724.

It can be divided in two parts, 566 and 28526, that added together give a palindrome (29092).

The spelling of 56628526 in words is "fifty-six million, six hundred twenty-eight thousand, five hundred twenty-six".