53026489 has 4 divisors (see below), whose sum is σ = 54319860. Its totient is φ = 51733120.

The previous prime is 53026483. The next prime is 53026499. The reversal of 53026489 is 98462035.

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 6718464 + 46308025 = 2592^2 + 6805^2 .

It is a cyclic number.

It is not a de Polignac number, because 53026489 - 2¹⁹ = 52502201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53026483) 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, 646624 + ... + 646705.

It is an arithmetic number, because the mean of its divisors is an integer number (13579965).

Almost surely, 2^53026489 is an apocalyptic number.

It is an amenable number.

53026489 is a deficient number, since it is larger than the sum of its proper divisors (1293371).

53026489 is a wasteful number, since it uses less digits than its factorization.

53026489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293370.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 53026489 is about 7281.9289340119. The cubic root of 53026489 is about 375.6911437752.

The spelling of 53026489 in words is "fifty-three million, twenty-six thousand, four hundred eighty-nine".