52623566 has 4 divisors (see below), whose sum is σ = 78935352. Its totient is φ = 26311782.

The previous prime is 52623553. The next prime is 52623581. The reversal of 52623566 is 66532625.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13155890 + ... + 13155893.

It is an arithmetic number, because the mean of its divisors is an integer number (19733838).

Almost surely, 2^52623566 is an apocalyptic number.

52623566 is a deficient number, since it is larger than the sum of its proper divisors (26311786).

52623566 is a wasteful number, since it uses less digits than its factorization.

52623566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311785.

The product of its digits is 64800, while the sum is 35.

The square root of 52623566 is about 7254.2102257930. The cubic root of 52623566 is about 374.7371574428.

The spelling of 52623566 in words is "fifty-two million, six hundred twenty-three thousand, five hundred sixty-six".