53744137 has 4 divisors (see below), whose sum is σ = 53758980. Its totient is φ = 53729296.

The previous prime is 53744113. The next prime is 53744147. The reversal of 53744137 is 73144735.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 73144735 = 5 ⋅14628947.

It can be written as a sum of positive squares in 2 ways, for example, as 17214201 + 36529936 = 4149^2 + 6044^2 .

It is a cyclic number.

It is not a de Polignac number, because 53744137 - 2¹⁵ = 53711369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53744147) 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, 1983 + ... + 10555.

It is an arithmetic number, because the mean of its divisors is an integer number (13439745).

Almost surely, 2^53744137 is an apocalyptic number.

It is an amenable number.

53744137 is a deficient number, since it is larger than the sum of its proper divisors (14843).

53744137 is an equidigital number, since it uses as much as digits as its factorization.

53744137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14842.

The product of its digits is 35280, while the sum is 34.

The square root of 53744137 is about 7331.0392851219. The cubic root of 53744137 is about 377.3783933551.

The spelling of 53744137 in words is "fifty-three million, seven hundred forty-four thousand, one hundred thirty-seven".