52856185501 has 8 divisors (see below), whose sum is σ = 60847997760. Its totient is φ = 44974605408.

The previous prime is 52856185451. The next prime is 52856185517. The reversal of 52856185501 is 10558165825.

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 52856185501 - 2⁹ = 52856184989 is a prime.

It is a super-2 number, since 2×52856185501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52856180501) by changing a digit.

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, 27557011 + ... + 27558928.

It is an arithmetic number, because the mean of its divisors is an integer number (7605999720).

Almost surely, 2^52856185501 is an apocalyptic number.

It is an amenable number.

52856185501 is a deficient number, since it is larger than the sum of its proper divisors (7991812259).

52856185501 is a wasteful number, since it uses less digits than its factorization.

52856185501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55116083.

The product of its (nonzero) digits is 480000, while the sum is 46.

The spelling of 52856185501 in words is "fifty-two billion, eight hundred fifty-six million, one hundred eighty-five thousand, five hundred one".