56502556 has 24 divisors (see below), whose sum is σ = 111590640. Its totient is φ = 24796800.

The previous prime is 56502533. The next prime is 56502557. The reversal of 56502556 is 65520565.

It is a happy number.

56502556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56502557) 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 7 ways as a sum of consecutive naturals, for example, 20865 + ... + 23416.

It is an arithmetic number, because the mean of its divisors is an integer number (4649610).

Almost surely, 2^56502556 is an apocalyptic number.

It is an amenable number.

56502556 is a deficient number, since it is larger than the sum of its proper divisors (55088084).

56502556 is a wasteful number, since it uses less digits than its factorization.

56502556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44325 (or 44323 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 56502556 is about 7516.8182098545. The cubic root of 56502556 is about 383.7273002378.

Subtracting 56502556 from its reverse (65520565), we obtain a square (9018009 = 3003²).

The spelling of 56502556 in words is "fifty-six million, five hundred two thousand, five hundred fifty-six".