52039918 has 16 divisors (see below), whose sum is σ = 90133344. Its totient is φ = 22072320.

The previous prime is 52039909. The next prime is 52039927. The reversal of 52039918 is 81993025.

It is an interprime number because it is at equal distance from previous prime (52039909) and next prime (52039927).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17803 + ... + 20518.

It is an arithmetic number, because the mean of its divisors is an integer number (5633334).

Almost surely, 2^52039918 is an apocalyptic number.

52039918 is a deficient number, since it is larger than the sum of its proper divisors (38093426).

52039918 is a wasteful number, since it uses less digits than its factorization.

52039918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38427.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 52039918 is about 7213.8698352549. The cubic root of 52039918 is about 373.3466004710.

The spelling of 52039918 in words is "fifty-two million, thirty-nine thousand, nine hundred eighteen".