1055445501 has 8 divisors (see below), whose sum is σ = 1535193504. Its totient is φ = 639663920.

The previous prime is 1055445491. The next prime is 1055445529.

1055445501 is nontrivially palindromic in base 10.

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 1055445501 - 2⁹ = 1055444989 is a prime.

It is a super-2 number, since 2×1055445501² = 2227930411162282002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055445101) 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, 15991566 + ... + 15991631.

It is an arithmetic number, because the mean of its divisors is an integer number (191899188).

Almost surely, 2^1055445501 is an apocalyptic number.

1055445501 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1055445501 is a deficient number, since it is larger than the sum of its proper divisors (479748003).

1055445501 is a wasteful number, since it uses less digits than its factorization.

1055445501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31983211.

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 1055445501 is about 32487.6207346737. The cubic root of 1055445501 is about 1018.1504033846.

The spelling of 1055445501 in words is "one billion, fifty-five million, four hundred forty-five thousand, five hundred one".