53856037 has 4 divisors (see below), whose sum is σ = 54040140. Its totient is φ = 53671936.

The previous prime is 53855999. The next prime is 53856043. The reversal of 53856037 is 73065835.

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

It can be written as a sum of positive squares in 2 ways, for example, as 52215076 + 1640961 = 7226^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 53856037 - 2¹⁵ = 53823269 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53855987 and 53856005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53856097) 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, 91612 + ... + 92197.

It is an arithmetic number, because the mean of its divisors is an integer number (13510035).

Almost surely, 2^53856037 is an apocalyptic number.

It is an amenable number.

53856037 is a deficient number, since it is larger than the sum of its proper divisors (184103).

53856037 is a wasteful number, since it uses less digits than its factorization.

53856037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184102.

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 53856037 is about 7338.6672495760. The cubic root of 53856037 is about 377.6401234124.

The spelling of 53856037 in words is "fifty-three million, eight hundred fifty-six thousand, thirty-seven".