53883281 has 4 divisors (see below), whose sum is σ = 54138864. Its totient is φ = 53627700.

The previous prime is 53883253. The next prime is 53883287. The reversal of 53883281 is 18238835.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53883281 is a prime.

It is a super-2 number, since 2×53883281² = 5806815942649922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53883287) 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, 127475 + ... + 127896.

It is an arithmetic number, because the mean of its divisors is an integer number (13534716).

Almost surely, 2^53883281 is an apocalyptic number.

It is an amenable number.

53883281 is a deficient number, since it is larger than the sum of its proper divisors (255583).

53883281 is a wasteful number, since it uses less digits than its factorization.

53883281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255582.

The product of its digits is 46080, while the sum is 38.

The square root of 53883281 is about 7340.5232102351. The cubic root of 53883281 is about 377.7037912555.

The spelling of 53883281 in words is "fifty-three million, eight hundred eighty-three thousand, two hundred eighty-one".