52662638 has 24 divisors (see below), whose sum is σ = 91920432. Its totient is φ = 22162464.

The previous prime is 52662619. The next prime is 52662647. The reversal of 52662638 is 83626625.

52662638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52662638² = 5546706882238088, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 231881 + ... + 232107.

It is an arithmetic number, because the mean of its divisors is an integer number (3830018).

Almost surely, 2^52662638 is an apocalyptic number.

52662638 is a deficient number, since it is larger than the sum of its proper divisors (39257794).

52662638 is an equidigital number, since it uses as much as digits as its factorization.

52662638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 309 counting only the distinct ones).

The product of its digits is 103680, while the sum is 38.

The square root of 52662638 is about 7256.9027828682. The cubic root of 52662638 is about 374.8298795765.

The spelling of 52662638 in words is "fifty-two million, six hundred sixty-two thousand, six hundred thirty-eight".