54807878 has 16 divisors (see below), whose sum is σ = 84690144. Its totient is φ = 26582400.

The previous prime is 54807869. The next prime is 54807887. The reversal of 54807878 is 87870845.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54807869) and next prime (54807887).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28751 + ... + 30597.

It is an arithmetic number, because the mean of its divisors is an integer number (5293134).

Almost surely, 2^54807878 is an apocalyptic number.

54807878 is a deficient number, since it is larger than the sum of its proper divisors (29882266).

54807878 is a wasteful number, since it uses less digits than its factorization.

54807878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287.

The product of its (nonzero) digits is 501760, while the sum is 47.

The square root of 54807878 is about 7403.2342931992. The cubic root of 54807878 is about 379.8519229147.

The spelling of 54807878 in words is "fifty-four million, eight hundred seven thousand, eight hundred seventy-eight".