1055591755570 has 32 divisors (see below), whose sum is σ = 2092170326976. Its totient is φ = 380264145600.

The previous prime is 1055591755567. The next prime is 1055591755573. The reversal of 1055591755570 is 755571955501.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1055591755567) and next prime (1055591755573).

It is a super-2 number, since 2×1055591755570² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is not an unprimeable number, because it can be changed into a prime (1055591755573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44830701 + ... + 44854240.

It is an arithmetic number, because the mean of its divisors is an integer number (65380322718).

Almost surely, 2^{1055591755570} is an apocalyptic number.

1055591755570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055591755570 is a deficient number, since it is larger than the sum of its proper divisors (1036578571406).

1055591755570 is a wasteful number, since it uses less digits than its factorization.

1055591755570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89685066.

The product of its (nonzero) digits is 6890625, while the sum is 55.

The spelling of 1055591755570 in words is "one trillion, fifty-five billion, five hundred ninety-one million, seven hundred fifty-five thousand, five hundred seventy".