53421488 has 20 divisors (see below), whose sum is σ = 106302720. Its totient is φ = 25988544.

The previous prime is 53421461. The next prime is 53421493. The reversal of 53421488 is 88412435.

53421488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44528 + ... + 45711.

It is an arithmetic number, because the mean of its divisors is an integer number (5315136).

Almost surely, 2^53421488 is an apocalyptic number.

It is an amenable number.

53421488 is a deficient number, since it is larger than the sum of its proper divisors (52881232).

53421488 is a wasteful number, since it uses less digits than its factorization.

53421488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90284 (or 90278 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 53421488 is about 7309.0004788617. Note that the first 3 decimals coincide. The cubic root of 53421488 is about 376.6216891849.

It can be divided in two parts, 534 and 21488, that added together give a palindrome (22022).

The spelling of 53421488 in words is "fifty-three million, four hundred twenty-one thousand, four hundred eighty-eight".