53210233857 has 32 divisors (see below), whose sum is σ = 79263968256. Its totient is φ = 31471876800.

The previous prime is 53210233831. The next prime is 53210233861. The reversal of 53210233857 is 75833201235.

It is a de Polignac number, because none of the positive numbers 2^k-53210233857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53210233877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1720107 + ... + 1750767.

It is an arithmetic number, because the mean of its divisors is an integer number (2476999008).

Almost surely, 2^53210233857 is an apocalyptic number.

It is an amenable number.

53210233857 is a deficient number, since it is larger than the sum of its proper divisors (26053734399).

53210233857 is a wasteful number, since it uses less digits than its factorization.

53210233857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31941.

The product of its (nonzero) digits is 151200, while the sum is 39.

The spelling of 53210233857 in words is "fifty-three billion, two hundred ten million, two hundred thirty-three thousand, eight hundred fifty-seven".