54666378 has 24 divisors (see below), whose sum is σ = 127555428. Its totient is φ = 16820352.

The previous prime is 54666371. The next prime is 54666383. The reversal of 54666378 is 87366645.

It can be written as a sum of positive squares in 2 ways, for example, as 52316289 + 2350089 = 7233^2 + 1533^2 .

It is not an unprimeable number, because it can be changed into a prime (54666371) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116575 + ... + 117042.

Almost surely, 2^54666378 is an apocalyptic number.

54666378 is an abundant number, since it is smaller than the sum of its proper divisors (72889050).

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

54666378 is a wasteful number, since it uses less digits than its factorization.

54666378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233638 (or 233635 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 54666378 is about 7393.6714830996. The cubic root of 54666378 is about 379.5247475100.

It can be divided in two parts, 5466637 and 8, that added together give a palindrome (5466645).

The spelling of 54666378 in words is "fifty-four million, six hundred sixty-six thousand, three hundred seventy-eight".