53351551523 has 2 divisors, whose sum is σ = 53351551524. Its totient is φ = 53351551522.

The previous prime is 53351551501. The next prime is 53351551531. The reversal of 53351551523 is 32515515335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53351551523 - 2¹⁸ = 53351289379 is a prime.

It is a super-2 number, since 2×53351551523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53351551553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26675775761 + 26675775762.

It is an arithmetic number, because the mean of its divisors is an integer number (26675775762).

Almost surely, 2^53351551523 is an apocalyptic number.

53351551523 is a deficient number, since it is larger than the sum of its proper divisors (1).

53351551523 is an equidigital number, since it uses as much as digits as its factorization.

53351551523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 168750, while the sum is 38.

The spelling of 53351551523 in words is "fifty-three billion, three hundred fifty-one million, five hundred fifty-one thousand, five hundred twenty-three".