53420067 has 20 divisors (see below), whose sum is σ = 80118456. Its totient is φ = 35471520.

The previous prime is 53420057. The next prime is 53420111. The reversal of 53420067 is 76002435.

It is a happy number.

It is not a de Polignac number, because 53420067 - 2⁷ = 53419939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 53420067.

It is not an unprimeable number, because it can be changed into a prime (53420047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21588 + ... + 23934.

Almost surely, 2^53420067 is an apocalyptic number.

53420067 is a deficient number, since it is larger than the sum of its proper divisors (26698389).

53420067 is a wasteful number, since it uses less digits than its factorization.

53420067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2640 (or 2631 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 53420067 is about 7308.9032693011. The cubic root of 53420067 is about 376.6183498035.

The spelling of 53420067 in words is "fifty-three million, four hundred twenty thousand, sixty-seven".