53757273314021 has 8 divisors (see below), whose sum is σ = 53933690937720. Its totient is φ = 53581028398272.

The previous prime is 53757273313987. The next prime is 53757273314039. The reversal of 53757273314021 is 12041337275735.

It can be written as a sum of positive squares in 4 ways, for example, as 22579232601121 + 31178040712900 = 4751761^2 + 5583730^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53757273314021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53757273314071) 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, 42553430 + ... + 43798503.

It is an arithmetic number, because the mean of its divisors is an integer number (6741711367215).

Almost surely, 2^{53757273314021} is an apocalyptic number.

It is an amenable number.

53757273314021 is a deficient number, since it is larger than the sum of its proper divisors (176417623699).

53757273314021 is a wasteful number, since it uses less digits than its factorization.

53757273314021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86353975.

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 53757273314021 in words is "fifty-three trillion, seven hundred fifty-seven billion, two hundred seventy-three million, three hundred fourteen thousand, twenty-one".