53613489 has 16 divisors (see below), whose sum is σ = 74188800. Its totient is φ = 34398336.

The previous prime is 53613487. The next prime is 53613491. The reversal of 53613489 is 98431635.

It is an interprime number because it is at equal distance from previous prime (53613487) and next prime (53613491).

It is not a de Polignac number, because 53613489 - 2¹ = 53613487 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53613487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32517 + ... + 34125.

It is an arithmetic number, because the mean of its divisors is an integer number (4636800).

Almost surely, 2^53613489 is an apocalyptic number.

It is an amenable number.

53613489 is a deficient number, since it is larger than the sum of its proper divisors (20575311).

53613489 is a wasteful number, since it uses less digits than its factorization.

53613489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024.

The product of its digits is 77760, while the sum is 39.

The square root of 53613489 is about 7322.1232576350. The cubic root of 53613489 is about 377.0723522973.

The spelling of 53613489 in words is "fifty-three million, six hundred thirteen thousand, four hundred eighty-nine".