55505049001487 has 2 divisors, whose sum is σ = 55505049001488. Its totient is φ = 55505049001486.

The previous prime is 55505049001459. The next prime is 55505049001559. The reversal of 55505049001487 is 78410094050555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55505049001487 - 2⁴⁰ = 54405537373711 is a prime.

It is a super-2 number, since 2×55505049001487² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55505049001427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27752524500743 + 27752524500744.

It is an arithmetic number, because the mean of its divisors is an integer number (27752524500744).

Almost surely, 2^{55505049001487} is an apocalyptic number.

55505049001487 is a deficient number, since it is larger than the sum of its proper divisors (1).

55505049001487 is an equidigital number, since it uses as much as digits as its factorization.

55505049001487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040000, while the sum is 53.

The spelling of 55505049001487 in words is "fifty-five trillion, five hundred five billion, forty-nine million, one thousand, four hundred eighty-seven".