53903938 has 16 divisors (see below), whose sum is σ = 88991136. Its totient is φ = 24283840.

The previous prime is 53903933. The next prime is 53903939. The reversal of 53903938 is 83930935.

It is a self number, because there is not a number n which added to its sum of digits gives 53903938.

It is not an unprimeable number, because it can be changed into a prime (53903933) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8356 + ... + 13327.

It is an arithmetic number, because the mean of its divisors is an integer number (5561946).

Almost surely, 2^53903938 is an apocalyptic number.

53903938 is a deficient number, since it is larger than the sum of its proper divisors (35087198).

53903938 is a wasteful number, since it uses less digits than its factorization.

53903938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21809.

The product of its (nonzero) digits is 87480, while the sum is 40.

The square root of 53903938 is about 7341.9301276980. The cubic root of 53903938 is about 377.7520513110.

The spelling of 53903938 in words is "fifty-three million, nine hundred three thousand, nine hundred thirty-eight".