53215208 has 16 divisors (see below), whose sum is σ = 99921060. Its totient is φ = 26569600.

The previous prime is 53215207. The next prime is 53215229. The reversal of 53215208 is 80251235.

It can be written as a sum of positive squares in 2 ways, for example, as 39212644 + 14002564 = 6262^2 + 3742^2 .

It is not an unprimeable number, because it can be changed into a prime (53215207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1718 + ... + 10458.

Almost surely, 2^53215208 is an apocalyptic number.

It is an amenable number.

53215208 is a deficient number, since it is larger than the sum of its proper divisors (46705852).

53215208 is a wasteful number, since it uses less digits than its factorization.

53215208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508 (or 9504 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 53215208 is about 7294.8754615826. The cubic root of 53215208 is about 376.1363056438.

The spelling of 53215208 in words is "fifty-three million, two hundred fifteen thousand, two hundred eight".