53204517 has 24 divisors (see below), whose sum is σ = 79607424. Its totient is φ = 34219584.

The previous prime is 53204461. The next prime is 53204519. The reversal of 53204517 is 71540235.

It is a happy number.

It is not a de Polignac number, because 53204517 - 2⁶ = 53204453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53204519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30018 + ... + 31740.

It is an arithmetic number, because the mean of its divisors is an integer number (3316976).

Almost surely, 2^53204517 is an apocalyptic number.

It is an amenable number.

53204517 is a deficient number, since it is larger than the sum of its proper divisors (26402907).

53204517 is a wasteful number, since it uses less digits than its factorization.

53204517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1849 (or 1846 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 53204517 is about 7294.1426500995. The cubic root of 53204517 is about 376.1111152097. Note that the first 5 decimals are identical.

The spelling of 53204517 in words is "fifty-three million, two hundred four thousand, five hundred seventeen".