53877172313 has 8 divisors (see below), whose sum is σ = 55793623176. Its totient is φ = 51994051200.

The previous prime is 53877172309. The next prime is 53877172337. The reversal of 53877172313 is 31327177835.

It can be written as a sum of positive squares in 4 ways, for example, as 4162443289 + 49714729024 = 64517^2 + 222968^2 .

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 53877172313 - 2² = 53877172309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53877172303) 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, 8329148 + ... + 8335613.

It is an arithmetic number, because the mean of its divisors is an integer number (6974202897).

Almost surely, 2^53877172313 is an apocalyptic number.

53877172313 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

53877172313 is a deficient number, since it is larger than the sum of its proper divisors (1916450863).

53877172313 is a wasteful number, since it uses less digits than its factorization.

53877172313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16664875.

The product of its digits is 740880, while the sum is 47.

The spelling of 53877172313 in words is "fifty-three billion, eight hundred seventy-seven million, one hundred seventy-two thousand, three hundred thirteen".