54457520479 has 8 divisors (see below), whose sum is σ = 56550832128. Its totient is φ = 52385247480.

The previous prime is 54457520443. The next prime is 54457520539. The reversal of 54457520479 is 97402575445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54457520479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54457550479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254387 + ... + 5264740.

It is an arithmetic number, because the mean of its divisors is an integer number (7068854016).

Almost surely, 2^54457520479 is an apocalyptic number.

54457520479 is a deficient number, since it is larger than the sum of its proper divisors (2093311649).

54457520479 is a wasteful number, since it uses less digits than its factorization.

54457520479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10519325.

The product of its (nonzero) digits is 7056000, while the sum is 52.

The spelling of 54457520479 in words is "fifty-four billion, four hundred fifty-seven million, five hundred twenty thousand, four hundred seventy-nine".