54978368 has 14 divisors (see below), whose sum is σ = 109097826. Its totient is φ = 27489152.

The previous prime is 54978367. The next prime is 54978373. The reversal of 54978368 is 86387945.

It can be written as a sum of positive squares in only one way, i.e., 36385024 + 18593344 = 6032^2 + 4312^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54978361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 429455 + ... + 429582.

Almost surely, 2^54978368 is an apocalyptic number.

It is an amenable number.

54978368 is a deficient number, since it is larger than the sum of its proper divisors (54119458).

54978368 is an equidigital number, since it uses as much as digits as its factorization.

54978368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 859049 (or 859039 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 50.

The square root of 54978368 is about 7414.7399145216. The cubic root of 54978368 is about 380.2453816790.

The spelling of 54978368 in words is "fifty-four million, nine hundred seventy-eight thousand, three hundred sixty-eight".