53957020723153 has 2 divisors, whose sum is σ = 53957020723154. Its totient is φ = 53957020723152.

The previous prime is 53957020723147. The next prime is 53957020723187. The reversal of 53957020723153 is 35132702075935.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38312844129169 + 15644176593984 = 6189737^2 + 3955272^2 .

It is a cyclic number.

It is not a de Polignac number, because 53957020723153 - 2³³ = 53948430788561 is a prime.

It is a super-2 number, since 2×53957020723153² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53957020723153.

It is not a weakly prime, because it can be changed into another prime (53957020703153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26978510361576 + 26978510361577.

It is an arithmetic number, because the mean of its divisors is an integer number (26978510361577).

Almost surely, 2^{53957020723153} is an apocalyptic number.

It is an amenable number.

53957020723153 is a deficient number, since it is larger than the sum of its proper divisors (1).

53957020723153 is an equidigital number, since it uses as much as digits as its factorization.

53957020723153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5953500, while the sum is 52.

The spelling of 53957020723153 in words is "fifty-three trillion, nine hundred fifty-seven billion, twenty million, seven hundred twenty-three thousand, one hundred fifty-three".