1055747455557 has 64 divisors (see below), whose sum is σ = 1465525248000. Its totient is φ = 675731911680.

The previous prime is 1055747455541. The next prime is 1055747455573. The reversal of 1055747455557 is 7555547475501.

It is an interprime number because it is at equal distance from previous prime (1055747455541) and next prime (1055747455573).

It is not a de Polignac number, because 1055747455557 - 2⁴ = 1055747455541 is a prime.

It is a super-2 number, since 2×1055747455557² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1055747455557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055747455537) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 377455683 + ... + 377458479.

It is an arithmetic number, because the mean of its divisors is an integer number (22898832000).

Almost surely, 2^{1055747455557} is an apocalyptic number.

It is an amenable number.

1055747455557 is a deficient number, since it is larger than the sum of its proper divisors (409777792443).

1055747455557 is a wasteful number, since it uses less digits than its factorization.

1055747455557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246.

The product of its (nonzero) digits is 85750000, while the sum is 60.

The spelling of 1055747455557 in words is "one trillion, fifty-five billion, seven hundred forty-seven million, four hundred fifty-five thousand, five hundred fifty-seven".