53242311 has 8 divisors (see below), whose sum is σ = 71442544. Its totient is φ = 35268480.

The previous prime is 53242303. The next prime is 53242327. The reversal of 53242311 is 11324235.

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

It is not a de Polignac number, because 53242311 - 2³ = 53242303 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 (53242361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56050 + ... + 56991.

It is an arithmetic number, because the mean of its divisors is an integer number (8930318).

Almost surely, 2^53242311 is an apocalyptic number.

53242311 is a deficient number, since it is larger than the sum of its proper divisors (18200233).

53242311 is a wasteful number, since it uses less digits than its factorization.

53242311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113201.

The product of its digits is 720, while the sum is 21.

The square root of 53242311 is about 7296.7328990446. The cubic root of 53242311 is about 376.2001513780.

Adding to 53242311 its reverse (11324235), we get a palindrome (64566546).

The spelling of 53242311 in words is "fifty-three million, two hundred forty-two thousand, three hundred eleven".