53456513 has 8 divisors (see below), whose sum is σ = 59115936. Its totient is φ = 47930400.

The previous prime is 53456509. The next prime is 53456563. The reversal of 53456513 is 31565435.

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

It is a cyclic number.

It is not a de Polignac number, because 53456513 - 2² = 53456509 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53456513.

It is not an unprimeable number, because it can be changed into a prime (53456503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32483 + ... + 34088.

It is an arithmetic number, because the mean of its divisors is an integer number (7389492).

Almost surely, 2^53456513 is an apocalyptic number.

It is an amenable number.

53456513 is a deficient number, since it is larger than the sum of its proper divisors (5659423).

53456513 is a wasteful number, since it uses less digits than its factorization.

53456513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66655.

The product of its digits is 27000, while the sum is 32.

The square root of 53456513 is about 7311.3961047121. The cubic root of 53456513 is about 376.7039799967.

The spelling of 53456513 in words is "fifty-three million, four hundred fifty-six thousand, five hundred thirteen".