53319438 has 32 divisors (see below), whose sum is σ = 120165120. Its totient is φ = 17521560.

The previous prime is 53319433. The next prime is 53319439. The reversal of 53319438 is 83491335.

53319438 is a `hidden beast` number, since 533 + 1 + 94 + 38 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53319433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3120 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (3755160).

Almost surely, 2^53319438 is an apocalyptic number.

53319438 is an abundant number, since it is smaller than the sum of its proper divisors (66845682).

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

53319438 is a wasteful number, since it uses less digits than its factorization.

53319438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13989 (or 13983 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 53319438 is about 7302.0160229898. The cubic root of 53319438 is about 376.3817186898.

The spelling of 53319438 in words is "fifty-three million, three hundred nineteen thousand, four hundred thirty-eight".