53255881 has 4 divisors (see below), whose sum is σ = 60863872. Its totient is φ = 45647892.

The previous prime is 53255869. The next prime is 53255899. The reversal of 53255881 is 18855235.

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 not a de Polignac number, because 53255881 - 2⁷ = 53255753 is a prime.

It is a super-2 number, since 2×53255881² = 5672377722172322, which contains 22 as substring.

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 53255881.

It is not an unprimeable number, because it can be changed into a prime (53255681) 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, 3803985 + ... + 3803998.

It is an arithmetic number, because the mean of its divisors is an integer number (15215968).

Almost surely, 2^53255881 is an apocalyptic number.

It is an amenable number.

53255881 is a deficient number, since it is larger than the sum of its proper divisors (7607991).

53255881 is an equidigital number, since it uses as much as digits as its factorization.

53255881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7607990.

The product of its digits is 48000, while the sum is 37.

The square root of 53255881 is about 7297.6627080182. The cubic root of 53255881 is about 376.2321096853.

The spelling of 53255881 in words is "fifty-three million, two hundred fifty-five thousand, eight hundred eighty-one".