53204518 has 8 divisors (see below), whose sum is σ = 80030160. Its totient is φ = 26527800.

The previous prime is 53204461. The next prime is 53204519. The reversal of 53204518 is 81540235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53204518² = 5661441471224648, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 36333 + ... + 37768.

It is an arithmetic number, because the mean of its divisors is an integer number (10003770).

Almost surely, 2^53204518 is an apocalyptic number.

53204518 is a deficient number, since it is larger than the sum of its proper divisors (26825642).

53204518 is a wasteful number, since it uses less digits than its factorization.

53204518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74462.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53204518 is about 7294.1427186476. The cubic root of 53204518 is about 376.1111175661. Note that the first 5 decimals are identical.

The spelling of 53204518 in words is "fifty-three million, two hundred four thousand, five hundred eighteen".