54440693249 has 4 divisors (see below), whose sum is σ = 56807679936. Its totient is φ = 52073706564.

The previous prime is 54440693243. The next prime is 54440693357. The reversal of 54440693249 is 94239604445.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 54440693249 - 2²⁰ = 54439644673 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54440693197 and 54440693206.

It is not an unprimeable number, because it can be changed into a prime (54440693243) 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, 1183493309 + ... + 1183493354.

It is an arithmetic number, because the mean of its divisors is an integer number (14201919984).

Almost surely, 2^54440693249 is an apocalyptic number.

It is an amenable number.

54440693249 is a deficient number, since it is larger than the sum of its proper divisors (2366986687).

54440693249 is a wasteful number, since it uses less digits than its factorization.

54440693249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2366986686.

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 54440693249 in words is "fifty-four billion, four hundred forty million, six hundred ninety-three thousand, two hundred forty-nine".