53208215 has 8 divisors (see below), whose sum is σ = 67605840. Its totient is φ = 40062592.

The previous prime is 53208209. The next prime is 53208217. The reversal of 53208215 is 51280235.

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 53208215 - 2¹² = 53204119 is a prime.

It is a super-2 number, since 2×53208215² = 5662228286972450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53208217) 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, 312905 + ... + 313074.

It is an arithmetic number, because the mean of its divisors is an integer number (8450730).

Almost surely, 2^53208215 is an apocalyptic number.

53208215 is a deficient number, since it is larger than the sum of its proper divisors (14397625).

53208215 is a wasteful number, since it uses less digits than its factorization.

53208215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626001.

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

The square root of 53208215 is about 7294.3961367614. The cubic root of 53208215 is about 376.1198289228.

The spelling of 53208215 in words is "fifty-three million, two hundred eight thousand, two hundred fifteen".