53011249553 has 2 divisors, whose sum is σ = 53011249554. Its totient is φ = 53011249552.

The previous prime is 53011249541. The next prime is 53011249561. The reversal of 53011249553 is 35594211035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48643625809 + 4367623744 = 220553^2 + 66088^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53011249553 is a prime.

It is not a weakly prime, because it can be changed into another prime (53011249523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26505624776 + 26505624777.

It is an arithmetic number, because the mean of its divisors is an integer number (26505624777).

Almost surely, 2^53011249553 is an apocalyptic number.

It is an amenable number.

53011249553 is a deficient number, since it is larger than the sum of its proper divisors (1).

53011249553 is an equidigital number, since it uses as much as digits as its factorization.

53011249553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 53011249553 in words is "fifty-three billion, eleven million, two hundred forty-nine thousand, five hundred fifty-three".