53315121 has 8 divisors (see below), whose sum is σ = 74828320. Its totient is φ = 33672672.

The previous prime is 53315117. The next prime is 53315123. The reversal of 53315121 is 12151335.

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

It is not a de Polignac number, because 53315121 - 2² = 53315117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53315123) 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, 467620 + ... + 467733.

It is an arithmetic number, because the mean of its divisors is an integer number (9353540).

Almost surely, 2^53315121 is an apocalyptic number.

It is an amenable number.

53315121 is a deficient number, since it is larger than the sum of its proper divisors (21513199).

53315121 is a wasteful number, since it uses less digits than its factorization.

53315121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935375.

The product of its digits is 450, while the sum is 21.

The square root of 53315121 is about 7301.7204137107. The cubic root of 53315121 is about 376.3715605198.

Adding to 53315121 its reverse (12151335), we get a palindrome (65466456).

The spelling of 53315121 in words is "fifty-three million, three hundred fifteen thousand, one hundred twenty-one".