54121388 has 6 divisors (see below), whose sum is σ = 94712436. Its totient is φ = 27060692.

The previous prime is 54121357. The next prime is 54121409. The reversal of 54121388 is 88312145.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6765170 + ... + 6765177.

It is an arithmetic number, because the mean of its divisors is an integer number (15785406).

Almost surely, 2^54121388 is an apocalyptic number.

It is an amenable number.

54121388 is a deficient number, since it is larger than the sum of its proper divisors (40591048).

54121388 is a wasteful number, since it uses less digits than its factorization.

54121388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13530351 (or 13530349 counting only the distinct ones).

The product of its digits is 7680, while the sum is 32.

The square root of 54121388 is about 7356.7239991725. The cubic root of 54121388 is about 378.2593239325.

The spelling of 54121388 in words is "fifty-four million, one hundred twenty-one thousand, three hundred eighty-eight".