52153364356221 has 32 divisors (see below), whose sum is σ = 71987553501696. Its totient is φ = 33562439360000.

The previous prime is 52153364356217. The next prime is 52153364356277. The reversal of 52153364356221 is 12265346335125.

It is a cyclic number.

It is not a de Polignac number, because 52153364356221 - 2² = 52153364356217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52153364356421) 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, 17061391 + ... + 19884611.

It is an arithmetic number, because the mean of its divisors is an integer number (2249611046928).

Almost surely, 2^{52153364356221} is an apocalyptic number.

It is an amenable number.

52153364356221 is a deficient number, since it is larger than the sum of its proper divisors (19834189145475).

52153364356221 is a wasteful number, since it uses less digits than its factorization.

52153364356221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824853.

The product of its digits is 3888000, while the sum is 48.

The spelling of 52153364356221 in words is "fifty-two trillion, one hundred fifty-three billion, three hundred sixty-four million, three hundred fifty-six thousand, two hundred twenty-one".