53215408 has 10 divisors (see below), whose sum is σ = 103104884. Its totient is φ = 26607696.

The previous prime is 53215403. The next prime is 53215411. The reversal of 53215408 is 80451235.

It is not an unprimeable number, because it can be changed into a prime (53215403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1662966 + ... + 1662997.

Almost surely, 2^53215408 is an apocalyptic number.

It is an amenable number.

53215408 is a deficient number, since it is larger than the sum of its proper divisors (49889476).

53215408 is a wasteful number, since it uses less digits than its factorization.

53215408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325971 (or 3325965 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 53215408 is about 7294.8891698229. The cubic root of 53215408 is about 376.1367768573.

The spelling of 53215408 in words is "fifty-three million, two hundred fifteen thousand, four hundred eight".