53738839 has 16 divisors (see below), whose sum is σ = 68371200. Its totient is φ = 41871480.

The previous prime is 53738809. The next prime is 53738851. The reversal of 53738839 is 93883735.

It is a happy number.

It is not a de Polignac number, because 53738839 - 2¹³ = 53730647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53738809) 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, 3349 + ... + 10894.

It is an arithmetic number, because the mean of its divisors is an integer number (4273200).

Almost surely, 2^53738839 is an apocalyptic number.

53738839 is a deficient number, since it is larger than the sum of its proper divisors (14632361).

53738839 is a wasteful number, since it uses less digits than its factorization.

53738839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14275 (or 14261 counting only the distinct ones).

The product of its digits is 544320, while the sum is 46.

The square root of 53738839 is about 7330.6779359074. The cubic root of 53738839 is about 377.3659925207.

Subtracting 53738839 from its reverse (93883735), we obtain a square (40144896 = 6336²).

The spelling of 53738839 in words is "fifty-three million, seven hundred thirty-eight thousand, eight hundred thirty-nine".