53210857 has 8 divisors (see below), whose sum is σ = 61371200. Its totient is φ = 45190224.

The previous prime is 53210837. The next prime is 53210873. The reversal of 53210857 is 75801235.

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 53210857 - 2¹⁵ = 53178089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53210837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34107 + ... + 35632.

It is an arithmetic number, because the mean of its divisors is an integer number (7671400).

Almost surely, 2^53210857 is an apocalyptic number.

It is an amenable number.

53210857 is a deficient number, since it is larger than the sum of its proper divisors (8160343).

53210857 is a wasteful number, since it uses less digits than its factorization.

53210857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69855.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 53210857 is about 7294.5772324378. The cubic root of 53210857 is about 376.1260541027.

The spelling of 53210857 in words is "fifty-three million, two hundred ten thousand, eight hundred fifty-seven".