53215116 has 36 divisors (see below), whose sum is σ = 128622312. Its totient is φ = 17123456.

The previous prime is 53215091. The next prime is 53215121. The reversal of 53215116 is 61151235.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7456 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (3572842).

Almost surely, 2^53215116 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53215116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64311156).

53215116 is an abundant number, since it is smaller than the sum of its proper divisors (75407196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53215116 is a wasteful number, since it uses less digits than its factorization.

53215116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5338 (or 5307 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 53215116 is about 7294.8691557834. The cubic root of 53215116 is about 376.1360888852.

The spelling of 53215116 in words is "fifty-three million, two hundred fifteen thousand, one hundred sixteen".