52077257051680 has 120 divisors (see below), whose sum is σ = 143529400440972. Its totient is φ = 17855059428864.

The previous prime is 52077257051641. The next prime is 52077257051717. The reversal of 52077257051680 is 8615075277025.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51959473557264 + 117783494416 = 7208292^2 + 343196^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 67396527 + ... + 68164846.

Almost surely, 2^{52077257051680} is an apocalyptic number.

It is an amenable number.

52077257051680 is an abundant number, since it is smaller than the sum of its proper divisors (91452143389292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52077257051680 is an equidigital number, since it uses as much as digits as its factorization.

52077257051680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135561416 (or 135561387 counting only the distinct ones).

The product of its (nonzero) digits is 8232000, while the sum is 55.

The spelling of 52077257051680 in words is "fifty-two trillion, seventy-seven billion, two hundred fifty-seven million, fifty-one thousand, six hundred eighty".