53839937 has 4 divisors (see below), whose sum is σ = 53894100. Its totient is φ = 53785776.

The previous prime is 53839931. The next prime is 53839943. The reversal of 53839937 is 73993835.

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

It is an interprime number because it is at equal distance from previous prime (53839931) and next prime (53839943).

It can be written as a sum of positive squares in 2 ways, for example, as 11316496 + 42523441 = 3364^2 + 6521^2 .

It is a cyclic number.

It is not a de Polignac number, because 53839937 - 2⁶ = 53839873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53839891 and 53839900.

It is not an unprimeable number, because it can be changed into a prime (53839931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25562 + ... + 27587.

It is an arithmetic number, because the mean of its divisors is an integer number (13473525).

Almost surely, 2^53839937 is an apocalyptic number.

It is an amenable number.

53839937 is a deficient number, since it is larger than the sum of its proper divisors (54163).

53839937 is a wasteful number, since it uses less digits than its factorization.

53839937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54162.

The product of its digits is 612360, while the sum is 47.

The square root of 53839937 is about 7337.5702381647. The cubic root of 53839937 is about 377.6024884365.

The spelling of 53839937 in words is "fifty-three million, eight hundred thirty-nine thousand, nine hundred thirty-seven".