52558623 has 24 divisors (see below), whose sum is σ = 82183920. Its totient is φ = 32175360.

The previous prime is 52558607. The next prime is 52558631. The reversal of 52558623 is 32685525.

It is a happy number.

52558623 is a `hidden beast` number, since 5 + 25 + 5 + 8 + 623 = 666.

It is not a de Polignac number, because 52558623 - 2⁴ = 52558607 is a prime.

It is a super-2 number, since 2×52558623² = 5524817703312258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52558603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23623 + ... + 25751.

It is an arithmetic number, because the mean of its divisors is an integer number (3424330).

Almost surely, 2^52558623 is an apocalyptic number.

52558623 is a deficient number, since it is larger than the sum of its proper divisors (29625297).

52558623 is a wasteful number, since it uses less digits than its factorization.

52558623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2359 (or 2356 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 52558623 is about 7249.7326157590. The cubic root of 52558623 is about 374.5829389989.

The spelling of 52558623 in words is "fifty-two million, five hundred fifty-eight thousand, six hundred twenty-three".