55511050499 has 2 divisors, whose sum is σ = 55511050500. Its totient is φ = 55511050498.

The previous prime is 55511050493. The next prime is 55511050577. The reversal of 55511050499 is 99405011555.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55511050499 is a prime.

It is not a weakly prime, because it can be changed into another prime (55511050493) 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, 27755525249 + 27755525250.

It is an arithmetic number, because the mean of its divisors is an integer number (27755525250).

Almost surely, 2^55511050499 is an apocalyptic number.

55511050499 is a deficient number, since it is larger than the sum of its proper divisors (1).

55511050499 is an equidigital number, since it uses as much as digits as its factorization.

55511050499 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 202500, while the sum is 44.

The spelling of 55511050499 in words is "fifty-five billion, five hundred eleven million, fifty thousand, four hundred ninety-nine".