54121378 has 8 divisors (see below), whose sum is σ = 81607680. Its totient is φ = 26918820.

The previous prime is 54121357. The next prime is 54121409. The reversal of 54121378 is 87312145.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70458 + ... + 71221.

It is an arithmetic number, because the mean of its divisors is an integer number (10200960).

Almost surely, 2^54121378 is an apocalyptic number.

54121378 is a deficient number, since it is larger than the sum of its proper divisors (27486302).

54121378 is a wasteful number, since it uses less digits than its factorization.

54121378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141872.

The product of its digits is 6720, while the sum is 31.

The square root of 54121378 is about 7356.7233195221. The cubic root of 54121378 is about 378.2593006355.

It can be divided in two parts, 5412137 and 8, that added together give a palindrome (5412145).

The spelling of 54121378 in words is "fifty-four million, one hundred twenty-one thousand, three hundred seventy-eight".