1054809393 has 24 divisors (see below), whose sum is σ = 1581865824. Its totient is φ = 624402240.

The previous prime is 1054809383. The next prime is 1054809397. The reversal of 1054809393 is 3939084501.

It is not a de Polignac number, because 1054809393 - 2¹³ = 1054801201 is a prime.

It is a super-2 number, since 2×1054809393² = 2225245711122056898, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1054809397) 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 23 ways as a sum of consecutive naturals, for example, 18180 + ... + 49397.

It is an arithmetic number, because the mean of its divisors is an integer number (65911076).

Almost surely, 2^1054809393 is an apocalyptic number.

It is an amenable number.

1054809393 is a deficient number, since it is larger than the sum of its proper divisors (527056431).

1054809393 is a wasteful number, since it uses less digits than its factorization.

1054809393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67645 (or 67634 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 1054809393 is about 32477.8292531998. The cubic root of 1054809393 is about 1017.9458187577.

The spelling of 1054809393 in words is "one billion, fifty-four million, eight hundred nine thousand, three hundred ninety-three".