53384481 has 8 divisors (see below), whose sum is σ = 79088160. Its totient is φ = 35589636.

The previous prime is 53384473. The next prime is 53384483. The reversal of 53384481 is 18448335.

53384481 is a `hidden beast` number, since 533 + 8 + 44 + 81 = 666.

It is not a de Polignac number, because 53384481 - 2³ = 53384473 is a prime.

It is a super-2 number, since 2×53384481² = 5699805623278722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53384483) 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, 988575 + ... + 988628.

It is an arithmetic number, because the mean of its divisors is an integer number (9886020).

Almost surely, 2^53384481 is an apocalyptic number.

It is an amenable number.

53384481 is a deficient number, since it is larger than the sum of its proper divisors (25703679).

53384481 is a wasteful number, since it uses less digits than its factorization.

53384481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977212 (or 1977206 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 53384481 is about 7306.4684355713. The cubic root of 53384481 is about 376.5347025996.

The spelling of 53384481 in words is "fifty-three million, three hundred eighty-four thousand, four hundred eighty-one".