1054549679 has 4 divisors (see below), whose sum is σ = 1054627200. Its totient is φ = 1054472160.

The previous prime is 1054549667. The next prime is 1054549739. The reversal of 1054549679 is 9769454501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9769454501 = 587 ⋅16643023.

It is a cyclic number.

It is not a de Polignac number, because 1054549679 - 2⁴ = 1054549663 is a prime.

It is a super-2 number, since 2×1054549679² = 2224150050958006082, 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 (1054549619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12362 + ... + 47559.

It is an arithmetic number, because the mean of its divisors is an integer number (263656800).

Almost surely, 2^1054549679 is an apocalyptic number.

1054549679 is a deficient number, since it is larger than the sum of its proper divisors (77521).

1054549679 is an equidigital number, since it uses as much as digits as its factorization.

1054549679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77520.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 1054549679 is about 32473.8306794871. The cubic root of 1054549679 is about 1017.8622660694.

The spelling of 1054549679 in words is "one billion, fifty-four million, five hundred forty-nine thousand, six hundred seventy-nine".