1055565331 has 8 divisors (see below), whose sum is σ = 1078071120. Its totient is φ = 1033155552.

The previous prime is 1055565323. The next prime is 1055565337. The reversal of 1055565331 is 1335655501.

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 1055565331 - 2³ = 1055565323 is a prime.

It is a super-2 number, since 2×1055565331² = 2228436336018279122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055565337) 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, 1560 + ... + 45973.

It is an arithmetic number, because the mean of its divisors is an integer number (134758890).

Almost surely, 2^1055565331 is an apocalyptic number.

1055565331 is a deficient number, since it is larger than the sum of its proper divisors (22505789).

1055565331 is an equidigital number, since it uses as much as digits as its factorization.

1055565331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48005.

The product of its (nonzero) digits is 33750, while the sum is 34.

The square root of 1055565331 is about 32489.4649232640. The cubic root of 1055565331 is about 1018.1889338269.

The spelling of 1055565331 in words is "one billion, fifty-five million, five hundred sixty-five thousand, three hundred thirty-one".