52657456 has 20 divisors (see below), whose sum is σ = 104397832. Its totient is φ = 25716096.

The previous prime is 52657439. The next prime is 52657459. The reversal of 52657456 is 65475625.

52657456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657459) 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 3 ways as a sum of consecutive naturals, for example, 37581 + ... + 38956.

Almost surely, 2^52657456 is an apocalyptic number.

It is an amenable number.

52657456 is a deficient number, since it is larger than the sum of its proper divisors (51740376).

52657456 is a wasteful number, since it uses less digits than its factorization.

52657456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76588 (or 76582 counting only the distinct ones).

The product of its digits is 252000, while the sum is 40.

The square root of 52657456 is about 7256.5457347143. The cubic root of 52657456 is about 374.8175847617.

It can be divided in two parts, 5265 and 7456, that added together give a palindrome (12721).

The spelling of 52657456 in words is "fifty-two million, six hundred fifty-seven thousand, four hundred fifty-six".