1055747455558 has 4 divisors (see below), whose sum is σ = 1583621183340. Its totient is φ = 527873727778.

The previous prime is 1055747455541. The next prime is 1055747455573. The reversal of 1055747455558 is 8555547475501.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×1055747455558³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 1055747455496 and 1055747455505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263936863888 + ... + 263936863891.

It is an arithmetic number, because the mean of its divisors is an integer number (395905295835).

Almost surely, 2^{1055747455558} is an apocalyptic number.

1055747455558 is a deficient number, since it is larger than the sum of its proper divisors (527873727782).

1055747455558 is an equidigital number, since it uses as much as digits as its factorization.

1055747455558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527873727781.

The product of its (nonzero) digits is 98000000, while the sum is 61.

The spelling of 1055747455558 in words is "one trillion, fifty-five billion, seven hundred forty-seven million, four hundred fifty-five thousand, five hundred fifty-eight".