57623058991 has 2 divisors, whose sum is σ = 57623058992. Its totient is φ = 57623058990.

The previous prime is 57623058967. The next prime is 57623059007. The reversal of 57623058991 is 19985032675.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57623058991 - 2¹⁹ = 57622534703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57623158991) 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, 28811529495 + 28811529496.

It is an arithmetic number, because the mean of its divisors is an integer number (28811529496).

Almost surely, 2^57623058991 is an apocalyptic number.

57623058991 is a deficient number, since it is larger than the sum of its proper divisors (1).

57623058991 is an equidigital number, since it uses as much as digits as its factorization.

57623058991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 57623058991 in words is "fifty-seven billion, six hundred twenty-three million, fifty-eight thousand, nine hundred ninety-one".