1055611055 has 4 divisors (see below), whose sum is σ = 1266733272. Its totient is φ = 844488840.

The previous prime is 1055611033. The next prime is 1055611057. The reversal of 1055611055 is 5501165501.

It is a happy number.

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

It is not a de Polignac number, because 1055611055 - 2⁸ = 1055610799 is a prime.

It is a super-2 number, since 2×1055611055² = 2228629398876426050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055611057) 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, 105561101 + ... + 105561110.

It is an arithmetic number, because the mean of its divisors is an integer number (316683318).

Almost surely, 2^1055611055 is an apocalyptic number.

1055611055 is a deficient number, since it is larger than the sum of its proper divisors (211122217).

1055611055 is an equidigital number, since it uses as much as digits as its factorization.

1055611055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211122216.

The product of its (nonzero) digits is 3750, while the sum is 29.

The square root of 1055611055 is about 32490.1685898981. The cubic root of 1055611055 is about 1018.2036352693.

Adding to 1055611055 its reverse (5501165501), we get a palindrome (6556776556).

The spelling of 1055611055 in words is "one billion, fifty-five million, six hundred eleven thousand, fifty-five".