52557423 has 4 divisors (see below), whose sum is σ = 70076568. Its totient is φ = 35038280.

The previous prime is 52557419. The next prime is 52557451. The reversal of 52557423 is 32475525.

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 52557423 - 2² = 52557419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52557473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8759568 + ... + 8759573.

It is an arithmetic number, because the mean of its divisors is an integer number (17519142).

Almost surely, 2^52557423 is an apocalyptic number.

52557423 is a deficient number, since it is larger than the sum of its proper divisors (17519145).

52557423 is a wasteful number, since it uses less digits than its factorization.

52557423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17519144.

The product of its digits is 42000, while the sum is 33.

The square root of 52557423 is about 7249.6498536136. The cubic root of 52557423 is about 374.5800881953.

The spelling of 52557423 in words is "fifty-two million, five hundred fifty-seven thousand, four hundred twenty-three".