53708357706757 has 16 divisors (see below), whose sum is σ = 61559425917360. Its totient is φ = 46418889572352.

The previous prime is 53708357706737. The next prime is 53708357706761. The reversal of 53708357706757 is 75760775380735.

It can be written as a sum of positive squares in 8 ways, for example, as 2274302270241 + 51434055436516 = 1508079^2 + 7171754^2 .

It is a cyclic number.

It is not a de Polignac number, because 53708357706757 - 2³¹ = 53706210223109 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 (53708357706737) 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, 629553832 + ... + 629639137.

It is an arithmetic number, because the mean of its divisors is an integer number (3847464119835).

Almost surely, 2^{53708357706757} is an apocalyptic number.

It is an amenable number.

53708357706757 is a deficient number, since it is larger than the sum of its proper divisors (7851068210603).

53708357706757 is a wasteful number, since it uses less digits than its factorization.

53708357706757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259193192.

The product of its (nonzero) digits is 907578000, while the sum is 70.

The spelling of 53708357706757 in words is "fifty-three trillion, seven hundred eight billion, three hundred fifty-seven million, seven hundred six thousand, seven hundred fifty-seven".