1055500 has 24 divisors (see below), whose sum is σ = 2306304. Its totient is φ = 422000.

The previous prime is 1055489. The next prime is 1055501. The reversal of 1055500 is 55501.

It is a super-2 number, since 2×1055500² = 2228160500000, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1055501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 556 + ... + 1555.

It is an arithmetic number, because the mean of its divisors is an integer number (96096).

2^1055500 is an apocalyptic number.

1055500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055500 is an abundant number, since it is smaller than the sum of its proper divisors (1250804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055500 is a wasteful number, since it uses less digits than its factorization.

1055500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2130 (or 2118 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 16.

The square root of 1055500 is about 1027.3752965689. The cubic root of 1055500 is about 101.8167927493.

Subtracting from 1055500 its reverse (55501), we obtain a palindrome (999999).

The spelling of 1055500 in words is "one million, fifty-five thousand, five hundred".