53505034057 has 2 divisors, whose sum is σ = 53505034058. Its totient is φ = 53505034056.

The previous prime is 53505034043. The next prime is 53505034069. The reversal of 53505034057 is 75043050535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38286357561 + 15218676496 = 195669^2 + 123364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53505034057 is a prime.

It is not a weakly prime, because it can be changed into another prime (53505034027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26752517028 + 26752517029.

It is an arithmetic number, because the mean of its divisors is an integer number (26752517029).

Almost surely, 2^53505034057 is an apocalyptic number.

It is an amenable number.

53505034057 is a deficient number, since it is larger than the sum of its proper divisors (1).

53505034057 is an equidigital number, since it uses as much as digits as its factorization.

53505034057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 157500, while the sum is 37.

The spelling of 53505034057 in words is "fifty-three billion, five hundred five million, thirty-four thousand, fifty-seven".