53865199156835 has 8 divisors (see below), whose sum is σ = 70514442532656. Its totient is φ = 39174690295840.

The previous prime is 53865199156831. The next prime is 53865199156861.

53865199156835 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53865199156835 - 2² = 53865199156831 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53865199156831) 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, 489683628644 + ... + 489683628753.

It is an arithmetic number, because the mean of its divisors is an integer number (8814305316582).

Almost surely, 2^{53865199156835} is an apocalyptic number.

53865199156835 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53865199156835 is a deficient number, since it is larger than the sum of its proper divisors (16649243375821).

53865199156835 is a wasteful number, since it uses less digits than its factorization.

53865199156835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 979367257413.

The product of its digits is 1049760000, while the sum is 74.

The spelling of 53865199156835 in words is "fifty-three trillion, eight hundred sixty-five billion, one hundred ninety-nine million, one hundred fifty-six thousand, eight hundred thirty-five".