1055501605 has 8 divisors (see below), whose sum is σ = 1287366264. Its totient is φ = 830558400.

The previous prime is 1055501591. The next prime is 1055501617. The reversal of 1055501605 is 5061055501.

It can be written as a sum of positive squares in 4 ways, for example, as 4639716 + 1050861889 = 2154^2 + 32417^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1055501605 - 2²⁷ = 921283877 is a prime.

It is a super-2 number, since 2×1055501605² = 2228167276315152050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1730026 + ... + 1730635.

It is an arithmetic number, because the mean of its divisors is an integer number (160920783).

Almost surely, 2^1055501605 is an apocalyptic number.

It is an amenable number.

1055501605 is a deficient number, since it is larger than the sum of its proper divisors (231864659).

1055501605 is an equidigital number, since it uses as much as digits as its factorization.

1055501605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3460727.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 1055501605 is about 32488.4841905559. The cubic root of 1055501605 is about 1018.1684435702.

The spelling of 1055501605 in words is "one billion, fifty-five million, five hundred one thousand, six hundred five".