52657403 has 4 divisors (see below), whose sum is σ = 52731360. Its totient is φ = 52583448.

The previous prime is 52657399. The next prime is 52657421. The reversal of 52657403 is 30475625.

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

It is a cyclic number.

It is not a de Polignac number, because 52657403 - 2² = 52657399 is a prime.

It is a deceptive number, since it divides R_52657402.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52657403.

It is not an unprimeable number, because it can be changed into a prime (52657463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35900 + ... + 37337.

It is an arithmetic number, because the mean of its divisors is an integer number (13182840).

Almost surely, 2^52657403 is an apocalyptic number.

52657403 is a deficient number, since it is larger than the sum of its proper divisors (73957).

52657403 is an equidigital number, since it uses as much as digits as its factorization.

52657403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73956.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 52657403 is about 7256.5420828381. The cubic root of 52657403 is about 374.8174590097.

The spelling of 52657403 in words is "fifty-two million, six hundred fifty-seven thousand, four hundred three".