53905837 has 4 divisors (see below), whose sum is σ = 53927676. Its totient is φ = 53884000.

The previous prime is 53905829. The next prime is 53905853. The reversal of 53905837 is 73850935.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73850935 = 5 ⋅14770187.

It can be written as a sum of positive squares in 2 ways, for example, as 4541161 + 49364676 = 2131^2 + 7026^2 .

It is a cyclic number.

It is not a de Polignac number, because 53905837 - 2³ = 53905829 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 53905837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53905897) 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, 6664 + ... + 12337.

It is an arithmetic number, because the mean of its divisors is an integer number (13481919).

Almost surely, 2^53905837 is an apocalyptic number.

It is an amenable number.

53905837 is a deficient number, since it is larger than the sum of its proper divisors (21839).

53905837 is a wasteful number, since it uses less digits than its factorization.

53905837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838.

The product of its (nonzero) digits is 113400, while the sum is 40.

The square root of 53905837 is about 7342.0594522246. The cubic root of 53905837 is about 377.7564872437.

The spelling of 53905837 in words is "fifty-three million, nine hundred five thousand, eight hundred thirty-seven".