1055510551 has 8 divisors (see below), whose sum is σ = 1082969360. Its totient is φ = 1028184192.

The previous prime is 1055510543. The next prime is 1055510557. The reversal of 1055510551 is 1550155501.

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 1055510551 - 2³ = 1055510543 is a prime.

It is a super-2 number, since 2×1055510551² = 2228205046544647202, 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 (1055510557) 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, 16866 + ... + 48943.

It is an arithmetic number, because the mean of its divisors is an integer number (135371170).

Almost surely, 2^1055510551 is an apocalyptic number.

1055510551 is a deficient number, since it is larger than the sum of its proper divisors (27458809).

1055510551 is an equidigital number, since it uses as much as digits as its factorization.

1055510551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66225.

The product of its (nonzero) digits is 3125, while the sum is 28.

The square root of 1055510551 is about 32488.6218698177. The cubic root of 1055510551 is about 1018.1713200885.

The spelling of 1055510551 in words is "one billion, fifty-five million, five hundred ten thousand, five hundred fifty-one".