53855481 has 8 divisors (see below), whose sum is σ = 75586720. Its totient is φ = 34013952.

The previous prime is 53855453. The next prime is 53855513. The reversal of 53855481 is 18455835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53855481 - 2⁷ = 53855353 is a prime.

It is a super-2 number, since 2×53855481² = 5800825667482722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53855981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472360 + ... + 472473.

It is an arithmetic number, because the mean of its divisors is an integer number (9448340).

Almost surely, 2^53855481 is an apocalyptic number.

It is an amenable number.

53855481 is a deficient number, since it is larger than the sum of its proper divisors (21731239).

53855481 is a wasteful number, since it uses less digits than its factorization.

53855481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944855.

The product of its digits is 96000, while the sum is 39.

The square root of 53855481 is about 7338.6293679406. The cubic root of 53855481 is about 377.6388238451.

The spelling of 53855481 in words is "fifty-three million, eight hundred fifty-five thousand, four hundred eighty-one".