53504501 has 4 divisors (see below), whose sum is σ = 53845452. Its totient is φ = 53163552.

The previous prime is 53504497. The next prime is 53504527. The reversal of 53504501 is 10540535.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5410276 + 48094225 = 2326^2 + 6935^2 .

It is a cyclic number.

It is not a de Polignac number, because 53504501 - 2² = 53504497 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53504531) 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, 170240 + ... + 170553.

It is an arithmetic number, because the mean of its divisors is an integer number (13461363).

Almost surely, 2^53504501 is an apocalyptic number.

It is an amenable number.

53504501 is a deficient number, since it is larger than the sum of its proper divisors (340951).

53504501 is a wasteful number, since it uses less digits than its factorization.

53504501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340950.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 53504501 is about 7314.6770947185. The cubic root of 53504501 is about 376.8166688781.

The spelling of 53504501 in words is "fifty-three million, five hundred four thousand, five hundred one".