54437978 has 16 divisors (see below), whose sum is σ = 98812224. Its totient is φ = 21958080.

The previous prime is 54437963. The next prime is 54438019. The reversal of 54437978 is 87973445.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114128 + ... + 114603.

It is an arithmetic number, because the mean of its divisors is an integer number (6175764).

Almost surely, 2^54437978 is an apocalyptic number.

54437978 is a deficient number, since it is larger than the sum of its proper divisors (44374246).

54437978 is a wasteful number, since it uses less digits than its factorization.

54437978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228757.

The product of its digits is 846720, while the sum is 47.

The square root of 54437978 is about 7378.2096744400. The cubic root of 54437978 is about 378.9954492484.

The spelling of 54437978 in words is "fifty-four million, four hundred thirty-seven thousand, nine hundred seventy-eight".