1054488643 has 16 divisors (see below), whose sum is σ = 1150783200. Its totient is φ = 960410880.

The previous prime is 1054488637. The next prime is 1054488667. The reversal of 1054488643 is 3468844501.

It is not a de Polignac number, because 1054488643 - 2¹⁷ = 1054357571 is a prime.

It is a super-2 number, since 2×1054488643² = 2223892596431962898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1054488643.

It is not an unprimeable number, because it can be changed into a prime (1054408643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 993333 + ... + 994393.

It is an arithmetic number, because the mean of its divisors is an integer number (71923950).

Almost surely, 2^1054488643 is an apocalyptic number.

1054488643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1054488643 is a deficient number, since it is larger than the sum of its proper divisors (96294557).

1054488643 is a wasteful number, since it uses less digits than its factorization.

1054488643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022.

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 1054488643 is about 32472.8908937902. The cubic root of 1054488643 is about 1017.8426281642.

The spelling of 1054488643 in words is "one billion, fifty-four million, four hundred eighty-eight thousand, six hundred forty-three".