53857173851 has 8 divisors (see below), whose sum is σ = 58016163744. Its totient is φ = 49700488320.

The previous prime is 53857173847. The next prime is 53857173857. The reversal of 53857173851 is 15837175835.

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 53857173851 - 2² = 53857173847 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53857173793 and 53857173802.

It is not an unprimeable number, because it can be changed into a prime (53857173857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527390 + ... + 621171.

It is an arithmetic number, because the mean of its divisors is an integer number (7252020468).

Almost surely, 2^53857173851 is an apocalyptic number.

53857173851 is a deficient number, since it is larger than the sum of its proper divisors (4158989893).

53857173851 is a wasteful number, since it uses less digits than its factorization.

53857173851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152181.

The product of its digits is 3528000, while the sum is 53.

The spelling of 53857173851 in words is "fifty-three billion, eight hundred fifty-seven million, one hundred seventy-three thousand, eight hundred fifty-one".