57507986235803 has 2 divisors, whose sum is σ = 57507986235804. Its totient is φ = 57507986235802.

The previous prime is 57507986235779. The next prime is 57507986235811. The reversal of 57507986235803 is 30853268970575.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57507986235803 - 2²⁶ = 57507919126939 is a prime.

It is a super-2 number, since 2×57507986235803² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (57507986235823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28753993117901 + 28753993117902.

It is an arithmetic number, because the mean of its divisors is an integer number (28753993117902).

Almost surely, 2^{57507986235803} is an apocalyptic number.

57507986235803 is a deficient number, since it is larger than the sum of its proper divisors (1).

57507986235803 is an equidigital number, since it uses as much as digits as its factorization.

57507986235803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024000, while the sum is 68.

The spelling of 57507986235803 in words is "fifty-seven trillion, five hundred seven billion, nine hundred eighty-six million, two hundred thirty-five thousand, eight hundred three".