1055103550 has 12 divisors (see below), whose sum is σ = 1962492696. Its totient is φ = 422041400.

The previous prime is 1055103509. The next prime is 1055103551. The reversal of 1055103550 is 553015501.

1055103550 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1055103550² = 2226487002445205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055103551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10550986 + ... + 10551085.

It is an arithmetic number, because the mean of its divisors is an integer number (163541058).

Almost surely, 2^1055103550 is an apocalyptic number.

1055103550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055103550 is a deficient number, since it is larger than the sum of its proper divisors (907389146).

1055103550 is a wasteful number, since it uses less digits than its factorization.

1055103550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21102083 (or 21102078 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 1055103550 is about 32482.3575191211. The cubic root of 1055103550 is about 1018.0404355544.

The spelling of 1055103550 in words is "one billion, fifty-five million, one hundred three thousand, five hundred fifty".