53213135 has 8 divisors (see below), whose sum is σ = 64105776. Its totient is φ = 42403840.

The previous prime is 53213123. The next prime is 53213159. The reversal of 53213135 is 53131235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53213135 - 2⁸ = 53212879 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53213135.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19421 + ... + 21990.

It is an arithmetic number, because the mean of its divisors is an integer number (8013222).

Almost surely, 2^53213135 is an apocalyptic number.

53213135 is a deficient number, since it is larger than the sum of its proper divisors (10892641).

53213135 is a wasteful number, since it uses less digits than its factorization.

53213135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41673.

The product of its digits is 1350, while the sum is 23.

The square root of 53213135 is about 7294.7333741543. The cubic root of 53213135 is about 376.1314214468.

The spelling of 53213135 in words is "fifty-three million, two hundred thirteen thousand, one hundred thirty-five".