53320255 has 4 divisors (see below), whose sum is σ = 63984312. Its totient is φ = 42656200.

The previous prime is 53320237. The next prime is 53320273. The reversal of 53320255 is 55202335.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (53320237) and next prime (53320273).

It is not a de Polignac number, because 53320255 - 2⁹ = 53319743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5332021 + ... + 5332030.

It is an arithmetic number, because the mean of its divisors is an integer number (15996078).

Almost surely, 2^53320255 is an apocalyptic number.

53320255 is a deficient number, since it is larger than the sum of its proper divisors (10664057).

53320255 is a wasteful number, since it uses less digits than its factorization.

53320255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664056.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 53320255 is about 7302.0719662299. The cubic root of 53320255 is about 376.3836410799.

The spelling of 53320255 in words is "fifty-three million, three hundred twenty thousand, two hundred fifty-five".