53890489 has 4 divisors (see below), whose sum is σ = 54539856. Its totient is φ = 53241124.

The previous prime is 53890477. The next prime is 53890513. The reversal of 53890489 is 98409835.

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 53890489 - 2¹¹ = 53888441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53890429) 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, 324559 + ... + 324724.

It is an arithmetic number, because the mean of its divisors is an integer number (13634964).

Almost surely, 2^53890489 is an apocalyptic number.

It is an amenable number.

53890489 is a deficient number, since it is larger than the sum of its proper divisors (649367).

53890489 is an equidigital number, since it uses as much as digits as its factorization.

53890489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649366.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 53890489 is about 7341.0141669935. The cubic root of 53890489 is about 377.7206323949.

The spelling of 53890489 in words is "fifty-three million, eight hundred ninety thousand, four hundred eighty-nine".