53748039 has 4 divisors (see below), whose sum is σ = 71664056. Its totient is φ = 35832024.

The previous prime is 53748011. The next prime is 53748043. The reversal of 53748039 is 93084735.

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

It is not a de Polignac number, because 53748039 - 2¹⁵ = 53715271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53747988 and 53748006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53748239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8958004 + ... + 8958009.

It is an arithmetic number, because the mean of its divisors is an integer number (17916014).

Almost surely, 2^53748039 is an apocalyptic number.

53748039 is a deficient number, since it is larger than the sum of its proper divisors (17916017).

53748039 is a wasteful number, since it uses less digits than its factorization.

53748039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17916016.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 53748039 is about 7331.3054089978. The cubic root of 53748039 is about 377.3875261024.

The spelling of 53748039 in words is "fifty-three million, seven hundred forty-eight thousand, thirty-nine".