1055501 has 2 divisors, whose sum is σ = 1055502. Its totient is φ = 1055500.

The previous prime is 1055489. The next prime is 1055503.

1055501 is nontrivially palindromic in base 10.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 857476 + 198025 = 926^2 + 445^2 .

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 1055501 - 2⁶ = 1055437 is a prime.

It is a super-2 number, since 2×1055501² = 2228164722002, which contains 22 as substring.

Together with 1055503, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₈₂₅₁₁ and since 1055501 and 82511 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1055501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1055503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527750 + 527751.

It is an arithmetic number, because the mean of its divisors is an integer number (527751).

2^1055501 is an apocalyptic number.

It is an amenable number.

1055501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1055501 is an equidigital number, since it uses as much as digits as its factorization.

1055501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 125, while the sum is 17.

The square root of 1055501 is about 1027.3757832458. The cubic root of 1055501 is about 101.8168249036.

The spelling of 1055501 in words is "one million, fifty-five thousand, five hundred one".