54579539 has 4 divisors (see below), whose sum is σ = 62376624. Its totient is φ = 46782456.

The previous prime is 54579527. The next prime is 54579557. The reversal of 54579539 is 93597545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93597545 = 5 ⋅18719509.

It is a de Polignac number, because none of the positive numbers 2^k-54579539 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54579493 and 54579502.

It is not an unprimeable number, because it can be changed into a prime (54579589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3898532 + ... + 3898545.

It is an arithmetic number, because the mean of its divisors is an integer number (15594156).

Almost surely, 2^54579539 is an apocalyptic number.

54579539 is a deficient number, since it is larger than the sum of its proper divisors (7797085).

54579539 is an equidigital number, since it uses as much as digits as its factorization.

54579539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7797084.

The product of its digits is 850500, while the sum is 47.

The square root of 54579539 is about 7387.7966268706. The cubic root of 54579539 is about 379.3236792758.

The spelling of 54579539 in words is "fifty-four million, five hundred seventy-nine thousand, five hundred thirty-nine".