54859847 has 4 divisors (see below), whose sum is σ = 62696976. Its totient is φ = 47022720.

The previous prime is 54859843. The next prime is 54859879. The reversal of 54859847 is 74895845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54859847 - 2² = 54859843 is a prime.

It is a super-3 number, since 3×54859847³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54859795 and 54859804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54859841) 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, 3918554 + ... + 3918567.

It is an arithmetic number, because the mean of its divisors is an integer number (15674244).

Almost surely, 2^54859847 is an apocalyptic number.

54859847 is a deficient number, since it is larger than the sum of its proper divisors (7837129).

54859847 is an equidigital number, since it uses as much as digits as its factorization.

54859847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7837128.

The product of its digits is 1612800, while the sum is 50.

The square root of 54859847 is about 7406.7433464378. The cubic root of 54859847 is about 379.9719439120.

The spelling of 54859847 in words is "fifty-four million, eight hundred fifty-nine thousand, eight hundred forty-seven".