53042313 has 8 divisors (see below), whose sum is σ = 71349408. Its totient is φ = 35048384.

The previous prime is 53042303. The next prime is 53042321. The reversal of 53042313 is 31324035.

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

It is a cyclic number.

It is not a de Polignac number, because 53042313 - 2⁹ = 53041801 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53042313.

It is not an unprimeable number, because it can be changed into a prime (53042303) 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, 77895 + ... + 78572.

It is an arithmetic number, because the mean of its divisors is an integer number (8918676).

Almost surely, 2^53042313 is an apocalyptic number.

It is an amenable number.

53042313 is a deficient number, since it is larger than the sum of its proper divisors (18307095).

53042313 is a wasteful number, since it uses less digits than its factorization.

53042313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156583.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 53042313 is about 7283.0153782619. The cubic root of 53042313 is about 375.7285109195.

Adding to 53042313 its reverse (31324035), we get a palindrome (84366348).

The spelling of 53042313 in words is "fifty-three million, forty-two thousand, three hundred thirteen".