53501332531 has 2 divisors, whose sum is σ = 53501332532. Its totient is φ = 53501332530.

The previous prime is 53501332477. The next prime is 53501332559. The reversal of 53501332531 is 13523310535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53501332531 - 2¹⁷ = 53501201459 is a prime.

It is a super-2 number, since 2×53501332531² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53501332493 and 53501332502.

It is not a weakly prime, because it can be changed into another prime (53501332331) 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, 26750666265 + 26750666266.

It is an arithmetic number, because the mean of its divisors is an integer number (26750666266).

Almost surely, 2^53501332531 is an apocalyptic number.

53501332531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53501332531 is an equidigital number, since it uses as much as digits as its factorization.

53501332531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 31.

The spelling of 53501332531 in words is "fifty-three billion, five hundred one million, three hundred thirty-two thousand, five hundred thirty-one".