1055554 has 8 divisors (see below), whose sum is σ = 1599948. Its totient is φ = 522240.

The previous prime is 1055543. The next prime is 1055567. The reversal of 1055554 is 4555501.

It can be written as a sum of positive squares in 2 ways, for example, as 1046529 + 9025 = 1023^2 + 95^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1055554² = 2228388493832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2527 + ... + 2914.

2^1055554 is an apocalyptic number.

1055554 is a deficient number, since it is larger than the sum of its proper divisors (544394).

1055554 is an equidigital number, since it uses as much as digits as its factorization.

1055554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 1055554 is about 1027.4015767946. The cubic root of 1055554 is about 101.8185290553.

It can be divided in two parts, 10555 and 54, that added together give a square (10609 = 103²).

The spelling of 1055554 in words is "one million, fifty-five thousand, five hundred fifty-four".