54983978 has 12 divisors (see below), whose sum is σ = 95941602. Its totient is φ = 23564520.

The previous prime is 54983969. The next prime is 54983989. The reversal of 54983978 is 87938945.

It can be written as a sum of positive squares in only one way, i.e., 42289009 + 12694969 = 6503^2 + 3563^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280433 + ... + 280628.

Almost surely, 2^54983978 is an apocalyptic number.

54983978 is a deficient number, since it is larger than the sum of its proper divisors (40957624).

54983978 is a wasteful number, since it uses less digits than its factorization.

54983978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561077 (or 561070 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 53.

The square root of 54983978 is about 7415.1182053963. The cubic root of 54983978 is about 380.2583146690.

The spelling of 54983978 in words is "fifty-four million, nine hundred eighty-three thousand, nine hundred seventy-eight".