53840737 has 4 divisors (see below), whose sum is σ = 56674480. Its totient is φ = 51006996.

The previous prime is 53840713. The next prime is 53840747. The reversal of 53840737 is 73704835.

53840737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73704835 = 5 ⋅14740967.

It is a cyclic number.

It is not a de Polignac number, because 53840737 - 2¹¹ = 53838689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53840696 and 53840705.

It is not an unprimeable number, because it can be changed into a prime (53840747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416843 + ... + 1416880.

It is an arithmetic number, because the mean of its divisors is an integer number (14168620).

Almost surely, 2^53840737 is an apocalyptic number.

It is an amenable number.

53840737 is a deficient number, since it is larger than the sum of its proper divisors (2833743).

53840737 is a wasteful number, since it uses less digits than its factorization.

53840737 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833742.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 53840737 is about 7337.6247519207. The cubic root of 53840737 is about 377.6043586746.

The spelling of 53840737 in words is "fifty-three million, eight hundred forty thousand, seven hundred thirty-seven".