54936978 has 8 divisors (see below), whose sum is σ = 109873968. Its totient is φ = 18312324.

The previous prime is 54936967. The next prime is 54936997. The reversal of 54936978 is 87963945.

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

54936978 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 54936978.

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 3 ways as a sum of consecutive naturals, for example, 4578076 + ... + 4578087.

It is an arithmetic number, because the mean of its divisors is an integer number (13734246).

Almost surely, 2^54936978 is an apocalyptic number.

54936978 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54936978 is a wasteful number, since it uses less digits than its factorization.

54936978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9156168.

The product of its digits is 1632960, while the sum is 51.

The square root of 54936978 is about 7411.9483268571. The cubic root of 54936978 is about 380.1499362152.

The spelling of 54936978 in words is "fifty-four million, nine hundred thirty-six thousand, nine hundred seventy-eight".