53719438 has 4 divisors (see below), whose sum is σ = 80579160. Its totient is φ = 26859718.

The previous prime is 53719433. The next prime is 53719483. The reversal of 53719438 is 83491735.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 53719438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53719433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13429858 + ... + 13429861.

It is an arithmetic number, because the mean of its divisors is an integer number (20144790).

Almost surely, 2^53719438 is an apocalyptic number.

53719438 is a deficient number, since it is larger than the sum of its proper divisors (26859722).

53719438 is a wasteful number, since it uses less digits than its factorization.

53719438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26859721.

The product of its digits is 90720, while the sum is 40.

The square root of 53719438 is about 7329.3545418406. The cubic root of 53719438 is about 377.3205743527.

The spelling of 53719438 in words is "fifty-three million, seven hundred nineteen thousand, four hundred thirty-eight".