55421013003457 has 2 divisors, whose sum is σ = 55421013003458. Its totient is φ = 55421013003456.

The previous prime is 55421013003451. The next prime is 55421013003481. The reversal of 55421013003457 is 75430031012455.

55421013003457 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., 39592900859521 + 15828112143936 = 6292289^2 + 3978456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55421013003457 is a prime.

It is not a weakly prime, because it can be changed into another prime (55421013003451) 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, 27710506501728 + 27710506501729.

It is an arithmetic number, because the mean of its divisors is an integer number (27710506501729).

Almost surely, 2^{55421013003457} is an apocalyptic number.

It is an amenable number.

55421013003457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55421013003457 is an equidigital number, since it uses as much as digits as its factorization.

55421013003457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252000, while the sum is 40.

The spelling of 55421013003457 in words is "fifty-five trillion, four hundred twenty-one billion, thirteen million, three thousand, four hundred fifty-seven".