53005055 has 4 divisors (see below), whose sum is σ = 63606072. Its totient is φ = 42404040.

The previous prime is 53005039. The next prime is 53005067. The reversal of 53005055 is 55050035.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55050035 = 5 ⋅11010007.

It is not a de Polignac number, because 53005055 - 2⁴ = 53005039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53005055.

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, 5300501 + ... + 5300510.

It is an arithmetic number, because the mean of its divisors is an integer number (15901518).

Almost surely, 2^53005055 is an apocalyptic number.

53005055 is a deficient number, since it is larger than the sum of its proper divisors (10601017).

53005055 is a wasteful number, since it uses less digits than its factorization.

53005055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10601016.

The product of its (nonzero) digits is 1875, while the sum is 23.

The square root of 53005055 is about 7280.4570598280. The cubic root of 53005055 is about 375.6405171962.

The spelling of 53005055 in words is "fifty-three million, five thousand, fifty-five".