52057615507 has 2 divisors, whose sum is σ = 52057615508. Its totient is φ = 52057615506.

The previous prime is 52057615487. The next prime is 52057615523. The reversal of 52057615507 is 70551675025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52057615507 is a prime.

It is not a weakly prime, because it can be changed into another prime (52057615567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26028807753 + 26028807754.

It is an arithmetic number, because the mean of its divisors is an integer number (26028807754).

Almost surely, 2^52057615507 is an apocalyptic number.

52057615507 is a deficient number, since it is larger than the sum of its proper divisors (1).

52057615507 is an equidigital number, since it uses as much as digits as its factorization.

52057615507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367500, while the sum is 43.

The spelling of 52057615507 in words is "fifty-two billion, fifty-seven million, six hundred fifteen thousand, five hundred seven".