53146457251 has 2 divisors, whose sum is σ = 53146457252. Its totient is φ = 53146457250.

The previous prime is 53146457227. The next prime is 53146457291. The reversal of 53146457251 is 15275464135.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53146457251 - 2⁵ = 53146457219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53146457198 and 53146457207.

It is not a weakly prime, because it can be changed into another prime (53146457291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26573228625 + 26573228626.

It is an arithmetic number, because the mean of its divisors is an integer number (26573228626).

Almost surely, 2^53146457251 is an apocalyptic number.

53146457251 is a deficient number, since it is larger than the sum of its proper divisors (1).

53146457251 is an equidigital number, since it uses as much as digits as its factorization.

53146457251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 43.

The spelling of 53146457251 in words is "fifty-three billion, one hundred forty-six million, four hundred fifty-seven thousand, two hundred fifty-one".