53420215 has 8 divisors (see below), whose sum is σ = 64164240. Its totient is φ = 42696192.

The previous prime is 53420209. The next prime is 53420231. The reversal of 53420215 is 51202435.

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 53420215 - 2³ = 53420207 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1696 + ... + 10474.

It is an arithmetic number, because the mean of its divisors is an integer number (8020530).

Almost surely, 2^53420215 is an apocalyptic number.

53420215 is a deficient number, since it is larger than the sum of its proper divisors (10744025).

53420215 is a wasteful number, since it uses less digits than its factorization.

53420215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 53420215 is about 7308.9133939321. The cubic root of 53420215 is about 376.6186976095.

It can be divided in two parts, 53420 and 215, that added together give a palindrome (53635).

The spelling of 53420215 in words is "fifty-three million, four hundred twenty thousand, two hundred fifteen".