52623666 has 24 divisors (see below), whose sum is σ = 114226320. Its totient is φ = 17509176.

The previous prime is 52623643. The next prime is 52623667. The reversal of 52623666 is 66632625.

52623666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 52623666.

It is not an unprimeable number, because it can be changed into a prime (52623667) 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 11 ways as a sum of consecutive naturals, for example, 8781 + ... + 13503.

It is an arithmetic number, because the mean of its divisors is an integer number (4759430).

Almost surely, 2^52623666 is an apocalyptic number.

52623666 is an abundant number, since it is smaller than the sum of its proper divisors (61602654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52623666 is a wasteful number, since it uses less digits than its factorization.

52623666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5350 (or 5347 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 52623666 is about 7254.2171183388. The cubic root of 52623666 is about 374.7373948123.

The spelling of 52623666 in words is "fifty-two million, six hundred twenty-three thousand, six hundred sixty-six".