53020504 has 32 divisors (see below), whose sum is σ = 101574000. Its totient is φ = 25940992.

The previous prime is 53020493. The next prime is 53020523. The reversal of 53020504 is 40502035.

It is a happy number.

It is a super-2 number, since 2×53020504² = 5622347688828032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 80127 + ... + 80785.

Almost surely, 2^53020504 is an apocalyptic number.

It is an amenable number.

53020504 is a deficient number, since it is larger than the sum of its proper divisors (48553496).

53020504 is a wasteful number, since it uses less digits than its factorization.

53020504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 53020504 is about 7281.5179736096. The cubic root of 53020504 is about 375.6770087260.

Adding to 53020504 its reverse (40502035), we get a palindrome (93522539).

The spelling of 53020504 in words is "fifty-three million, twenty thousand, five hundred four".