53438437 has 8 divisors (see below), whose sum is σ = 57990240. Its totient is φ = 48949680.

The previous prime is 53438423. The next prime is 53438443. The reversal of 53438437 is 73483435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53438437 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53438396 and 53438405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53438137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13987 + ... + 17392.

It is an arithmetic number, because the mean of its divisors is an integer number (7248780).

Almost surely, 2^53438437 is an apocalyptic number.

It is an amenable number.

53438437 is a deficient number, since it is larger than the sum of its proper divisors (4551803).

53438437 is a wasteful number, since it uses less digits than its factorization.

53438437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31523.

The product of its digits is 120960, while the sum is 37.

The square root of 53438437 is about 7310.1598477735. The cubic root of 53438437 is about 376.6615151443.

The spelling of 53438437 in words is "fifty-three million, four hundred thirty-eight thousand, four hundred thirty-seven".