53240365 has 8 divisors (see below), whose sum is σ = 64376928. Its totient is φ = 42266640.

The previous prime is 53240347. The next prime is 53240387. The reversal of 53240365 is 56304235.

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

It is not a de Polignac number, because 53240365 - 2⁵ = 53240333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39987 + ... + 41296.

It is an arithmetic number, because the mean of its divisors is an integer number (8047116).

Almost surely, 2^53240365 is an apocalyptic number.

It is an amenable number.

53240365 is a deficient number, since it is larger than the sum of its proper divisors (11136563).

53240365 is a wasteful number, since it uses less digits than its factorization.

53240365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81419.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 53240365 is about 7296.5995504756. The cubic root of 53240365 is about 376.1955679656.

The spelling of 53240365 in words is "fifty-three million, two hundred forty thousand, three hundred sixty-five".