55930107985907 has 2 divisors, whose sum is σ = 55930107985908. Its totient is φ = 55930107985906.

The previous prime is 55930107985849. The next prime is 55930107985949. The reversal of 55930107985907 is 70958970103955.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55930107985907 - 2²² = 55930103791603 is a prime.

It is a super-2 number, since 2×55930107985907² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55930107985007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27965053992953 + 27965053992954.

It is an arithmetic number, because the mean of its divisors is an integer number (27965053992954).

Almost surely, 2^{55930107985907} is an apocalyptic number.

55930107985907 is a deficient number, since it is larger than the sum of its proper divisors (1).

55930107985907 is an equidigital number, since it uses as much as digits as its factorization.

55930107985907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 107163000, while the sum is 68.

The spelling of 55930107985907 in words is "fifty-five trillion, nine hundred thirty billion, one hundred seven million, nine hundred eighty-five thousand, nine hundred seven".