53531520743 has 2 divisors, whose sum is σ = 53531520744. Its totient is φ = 53531520742.

The previous prime is 53531520737. The next prime is 53531520803. The reversal of 53531520743 is 34702513535.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53531520743 - 2¹⁶ = 53531455207 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 53531520697 and 53531520706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53531520733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26765760371 + 26765760372.

It is an arithmetic number, because the mean of its divisors is an integer number (26765760372).

Almost surely, 2^53531520743 is an apocalyptic number.

53531520743 is a deficient number, since it is larger than the sum of its proper divisors (1).

53531520743 is an equidigital number, since it uses as much as digits as its factorization.

53531520743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 53531520743 in words is "fifty-three billion, five hundred thirty-one million, five hundred twenty thousand, seven hundred forty-three".