53957020723187 has 2 divisors, whose sum is σ = 53957020723188. Its totient is φ = 53957020723186.

The previous prime is 53957020723153. The next prime is 53957020723247. The reversal of 53957020723187 is 78132702075935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53957020723187 - 2²⁶ = 53956953614323 is a prime.

It is a super-2 number, since 2×53957020723187² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53957020723147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26978510361593 + 26978510361594.

It is an arithmetic number, because the mean of its divisors is an integer number (26978510361594).

Almost surely, 2^{53957020723187} is an apocalyptic number.

53957020723187 is a deficient number, since it is larger than the sum of its proper divisors (1).

53957020723187 is an equidigital number, since it uses as much as digits as its factorization.

53957020723187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22226400, while the sum is 59.

The spelling of 53957020723187 in words is "fifty-three trillion, nine hundred fifty-seven billion, twenty million, seven hundred twenty-three thousand, one hundred eighty-seven".