55488493507 has 2 divisors, whose sum is σ = 55488493508. Its totient is φ = 55488493506.

The previous prime is 55488493429. The next prime is 55488493547. The reversal of 55488493507 is 70539488455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55488493507 is a prime.

It is not a weakly prime, because it can be changed into another prime (55488493547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27744246753 + 27744246754.

It is an arithmetic number, because the mean of its divisors is an integer number (27744246754).

Almost surely, 2^55488493507 is an apocalyptic number.

55488493507 is a deficient number, since it is larger than the sum of its proper divisors (1).

55488493507 is an equidigital number, since it uses as much as digits as its factorization.

55488493507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 55488493507 in words is "fifty-five billion, four hundred eighty-eight million, four hundred ninety-three thousand, five hundred seven".