1055533423 has 16 divisors (see below), whose sum is σ = 1233285120. Its totient is φ = 884685600.

The previous prime is 1055533393. The next prime is 1055533439. The reversal of 1055533423 is 3243355501.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055533423 is a prime.

It is a super-2 number, since 2×1055533423² = 2228301614140193858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055533463) 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 15 ways as a sum of consecutive naturals, for example, 72193 + ... + 85573.

It is an arithmetic number, because the mean of its divisors is an integer number (77080320).

Almost surely, 2^1055533423 is an apocalyptic number.

1055533423 is a deficient number, since it is larger than the sum of its proper divisors (177751697).

1055533423 is a wasteful number, since it uses less digits than its factorization.

1055533423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13638.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 1055533423 is about 32488.9738680679. The cubic root of 1055533423 is about 1018.1786743325.

Adding to 1055533423 its reverse (3243355501), we get a palindrome (4298888924).

The spelling of 1055533423 in words is "one billion, fifty-five million, five hundred thirty-three thousand, four hundred twenty-three".