53348881 has 4 divisors (see below), whose sum is σ = 53517492. Its totient is φ = 53180272.

The previous prime is 53348819. The next prime is 53348929. The reversal of 53348881 is 18884335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18884335 = 5 ⋅3776867.

It can be written as a sum of positive squares in 2 ways, for example, as 8673025 + 44675856 = 2945^2 + 6684^2 .

It is a cyclic number.

It is not a de Polignac number, because 53348881 - 2²³ = 44960273 is a prime.

It is a super-2 number, since 2×53348881² = 5692206207904322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53342881) 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, 83830 + ... + 84463.

It is an arithmetic number, because the mean of its divisors is an integer number (13379373).

Almost surely, 2^53348881 is an apocalyptic number.

It is an amenable number.

53348881 is a deficient number, since it is larger than the sum of its proper divisors (168611).

53348881 is a wasteful number, since it uses less digits than its factorization.

53348881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168610.

The product of its digits is 92160, while the sum is 40.

The square root of 53348881 is about 7304.0318318036. The cubic root of 53348881 is about 376.4509852849.

The spelling of 53348881 in words is "fifty-three million, three hundred forty-eight thousand, eight hundred eighty-one".