54979697945 has 8 divisors (see below), whose sum is σ = 66628862280. Its totient is φ = 43548275200.

The previous prime is 54979697921. The next prime is 54979697999.

54979697945 is nontrivially palindromic in base 10.

54979697945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 12828733696 + 42150964249 = 113264^2 + 205307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54979697945 - 2²⁴ = 54962920729 is a prime.

It is a super-2 number, since 2×54979697945² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54434840 + ... + 54435849.

It is an arithmetic number, because the mean of its divisors is an integer number (8328607785).

Almost surely, 2^54979697945 is an apocalyptic number.

It is an amenable number.

54979697945 is a deficient number, since it is larger than the sum of its proper divisors (11649164335).

54979697945 is a wasteful number, since it uses less digits than its factorization.

54979697945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108870795.

The product of its digits is 771573600, while the sum is 74.

The spelling of 54979697945 in words is "fifty-four billion, nine hundred seventy-nine million, six hundred ninety-seven thousand, nine hundred forty-five".