53743489 has 4 divisors (see below), whose sum is σ = 53763840. Its totient is φ = 53723140.

The previous prime is 53743471. The next prime is 53743493. The reversal of 53743489 is 98434735.

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.

It is a cyclic number.

It is not a de Polignac number, because 53743489 - 2¹⁷ = 53612417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53746489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497 + ... + 11734.

It is an arithmetic number, because the mean of its divisors is an integer number (13440960).

Almost surely, 2^53743489 is an apocalyptic number.

It is an amenable number.

53743489 is a deficient number, since it is larger than the sum of its proper divisors (20351).

53743489 is a wasteful number, since it uses less digits than its factorization.

53743489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20350.

The product of its digits is 362880, while the sum is 43.

The square root of 53743489 is about 7330.9950893450. The cubic root of 53743489 is about 377.3768766490.

The spelling of 53743489 in words is "fifty-three million, seven hundred forty-three thousand, four hundred eighty-nine".