1055000561 has 8 divisors (see below), whose sum is σ = 1084731648. Its totient is φ = 1025460000.

The previous prime is 1055000521. The next prime is 1055000579. The reversal of 1055000561 is 1650005501.

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

It is a cyclic number.

It is not a de Polignac number, because 1055000561 - 2⁶ = 1055000497 is a prime.

It is a super-2 number, since 2×1055000561² = 2226052367420629442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055000521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36365 + ... + 58586.

It is an arithmetic number, because the mean of its divisors is an integer number (135591456).

Almost surely, 2^1055000561 is an apocalyptic number.

It is an amenable number.

1055000561 is a deficient number, since it is larger than the sum of its proper divisors (29731087).

1055000561 is an equidigital number, since it uses as much as digits as its factorization.

1055000561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95263.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 1055000561 is about 32480.7721737030. The cubic root of 1055000561 is about 1018.0073107242.

The spelling of 1055000561 in words is "one billion, fifty-five million, five hundred sixty-one", and thus it is an aban number.