1055566051 has 4 divisors (see below), whose sum is σ = 1055646592. Its totient is φ = 1055485512.

The previous prime is 1055566013. The next prime is 1055566063. The reversal of 1055566051 is 1506655501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1055566051 - 2⁷ = 1055565923 is a prime.

It is a super-2 number, since 2×1055566051² = 2228439376047469202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055565998 and 1055566016.

It is not an unprimeable number, because it can be changed into a prime (1055566651) 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, 15555 + ... + 48508.

It is an arithmetic number, because the mean of its divisors is an integer number (263911648).

Almost surely, 2^1055566051 is an apocalyptic number.

1055566051 is a deficient number, since it is larger than the sum of its proper divisors (80541).

1055566051 is an equidigital number, since it uses as much as digits as its factorization.

1055566051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80540.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1055566051 is about 32489.4760037770. The cubic root of 1055566051 is about 1018.1891653287.

The spelling of 1055566051 in words is "one billion, fifty-five million, five hundred sixty-six thousand, fifty-one".