54807849 has 6 divisors (see below), whose sum is σ = 79166906. Its totient is φ = 36538560.

The previous prime is 54807821. The next prime is 54807859. The reversal of 54807849 is 94870845.

It can be written as a sum of positive squares in only one way, i.e., 53582400 + 1225449 = 7320^2 + 1107^2 .

It is not a de Polignac number, because 54807849 - 2⁵ = 54807817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54807859) 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 5 ways as a sum of consecutive naturals, for example, 3044872 + ... + 3044889.

Almost surely, 2^54807849 is an apocalyptic number.

It is an amenable number.

54807849 is a deficient number, since it is larger than the sum of its proper divisors (24359057).

54807849 is a wasteful number, since it uses less digits than its factorization.

54807849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6089767 (or 6089764 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 54807849 is about 7403.2323345955. The cubic root of 54807849 is about 379.8518559189.

The spelling of 54807849 in words is "fifty-four million, eight hundred seven thousand, eight hundred forty-nine".