1055213450 has 48 divisors (see below), whose sum is σ = 2110043520. Its totient is φ = 391345920.

The previous prime is 1055213387. The next prime is 1055213461. The reversal of 1055213450 is 543125501.

It is a super-2 number, since 2×1055213450² = 2226950850121805000, which contains 22 as substring.

It is an unprimeable number.

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, 32834 + ... + 56466.

It is an arithmetic number, because the mean of its divisors is an integer number (43959240).

Almost surely, 2^1055213450 is an apocalyptic number.

1055213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055213450 is a deficient number, since it is larger than the sum of its proper divisors (1054830070).

1055213450 is a wasteful number, since it uses less digits than its factorization.

1055213450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23711 (or 23706 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1055213450 is about 32484.0491626275. The cubic root of 1055213450 is about 1018.0757808244.

Adding to 1055213450 its reverse (543125501), we get a palindrome (1598338951).

The spelling of 1055213450 in words is "one billion, fifty-five million, two hundred thirteen thousand, four hundred fifty".