53300663 has 4 divisors (see below), whose sum is σ = 57400728. Its totient is φ = 49200600.

The previous prime is 53300657. The next prime is 53300671. The reversal of 53300663 is 36600335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36600335 = 5 ⋅7320067.

It is a cyclic number.

It is not a de Polignac number, because 53300663 - 2⁴ = 53300647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53302663) 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, 2050013 + ... + 2050038.

It is an arithmetic number, because the mean of its divisors is an integer number (14350182).

Almost surely, 2^53300663 is an apocalyptic number.

53300663 is a deficient number, since it is larger than the sum of its proper divisors (4100065).

53300663 is a wasteful number, since it uses less digits than its factorization.

53300663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100064.

The product of its (nonzero) digits is 4860, while the sum is 26.

The square root of 53300663 is about 7300.7303059352. The cubic root of 53300663 is about 376.3375359512.

Adding to 53300663 its reverse (36600335), we get a palindrome (89900998).

The spelling of 53300663 in words is "fifty-three million, three hundred thousand, six hundred sixty-three".