55019400154073 has 2 divisors, whose sum is σ = 55019400154074. Its totient is φ = 55019400154072.

The previous prime is 55019400154067. The next prime is 55019400154127. The reversal of 55019400154073 is 37045100491055.

55019400154073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53804176127689 + 1215224026384 = 7335133^2 + 1102372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55019400154073 is a prime.

It is a super-2 number, since 2×55019400154073² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55019400154573) 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, 27509700077036 + 27509700077037.

It is an arithmetic number, because the mean of its divisors is an integer number (27509700077037).

Almost surely, 2^{55019400154073} is an apocalyptic number.

It is an amenable number.

55019400154073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55019400154073 is an equidigital number, since it uses as much as digits as its factorization.

55019400154073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 44.

The spelling of 55019400154073 in words is "fifty-five trillion, nineteen billion, four hundred million, one hundred fifty-four thousand, seventy-three".