1055484491497 has 4 divisors (see below), whose sum is σ = 1055488210576. Its totient is φ = 1055480772420.

The previous prime is 1055484491447. The next prime is 1055484491609. The reversal of 1055484491497 is 7941944845501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055484491497 is a prime.

It is a super-2 number, since 2×1055484491497² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055484491447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1395183 + ... + 2014324.

It is an arithmetic number, because the mean of its divisors is an integer number (263872052644).

Almost surely, 2^{1055484491497} is an apocalyptic number.

It is an amenable number.

1055484491497 is a deficient number, since it is larger than the sum of its proper divisors (3719079).

1055484491497 is an equidigital number, since it uses as much as digits as its factorization.

1055484491497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3719078.

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 1055484491497 in words is "one trillion, fifty-five billion, four hundred eighty-four million, four hundred ninety-one thousand, four hundred ninety-seven".