53757256705671 has 16 divisors (see below), whose sum is σ = 75325483528064. Its totient is φ = 34058651637024.

The previous prime is 53757256705667. The next prime is 53757256705741. The reversal of 53757256705671 is 17650765275735.

It is not a de Polignac number, because 53757256705671 - 2² = 53757256705667 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 (53757256705771) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5631386041 + ... + 5631395586.

It is an arithmetic number, because the mean of its divisors is an integer number (4707842720504).

Almost surely, 2^{53757256705671} is an apocalyptic number.

53757256705671 is a deficient number, since it is larger than the sum of its proper divisors (21568226822393).

53757256705671 is a wasteful number, since it uses less digits than its factorization.

53757256705671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262781710.

The product of its (nonzero) digits is 324135000, while the sum is 66.

The spelling of 53757256705671 in words is "fifty-three trillion, seven hundred fifty-seven billion, two hundred fifty-six million, seven hundred five thousand, six hundred seventy-one".