1055420050 has 48 divisors (see below), whose sum is σ = 1990497600. Its totient is φ = 416318400.

The previous prime is 1055420033. The next prime is 1055420053. The reversal of 1055420050 is 500245501.

It is a super-2 number, since 2×1055420050² = 2227822963884005000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055420053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1257531 + ... + 1258369.

It is an arithmetic number, because the mean of its divisors is an integer number (41468700).

Almost surely, 2^1055420050 is an apocalyptic number.

1055420050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055420050 is a deficient number, since it is larger than the sum of its proper divisors (935077550).

1055420050 is a wasteful number, since it uses less digits than its factorization.

1055420050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171 (or 1166 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 1055420050 is about 32487.2290292663. The cubic root of 1055420050 is about 1018.1422194300.

Adding to 1055420050 its reverse (500245501), we get a palindrome (1555665551).

The spelling of 1055420050 in words is "one billion, fifty-five million, four hundred twenty thousand, fifty".