1055565003 has 8 divisors (see below), whose sum is σ = 1490209488. Its totient is φ = 662315264.

The previous prime is 1055565001. The next prime is 1055565011. The reversal of 1055565003 is 3005655501.

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 1055565003 - 2¹ = 1055565001 is a prime.

It is a super-3 number, since 3×1055565003³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1055565001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10348626 + ... + 10348727.

It is an arithmetic number, because the mean of its divisors is an integer number (186276186).

Almost surely, 2^1055565003 is an apocalyptic number.

1055565003 is a deficient number, since it is larger than the sum of its proper divisors (434644485).

1055565003 is a wasteful number, since it uses less digits than its factorization.

1055565003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20697373.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1055565003 is about 32489.4598754735. The cubic root of 1055565003 is about 1018.1888283649.

The spelling of 1055565003 in words is "one billion, fifty-five million, five hundred sixty-five thousand, three".