54021107 has 8 divisors (see below), whose sum is σ = 61825632. Its totient is φ = 46238400.

The previous prime is 54021091. The next prime is 54021157. The reversal of 54021107 is 70112045.

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

It is a cyclic number.

It is not a de Polignac number, because 54021107 - 2⁴ = 54021091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54021157) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (7728204).

Almost surely, 2^54021107 is an apocalyptic number.

54021107 is a deficient number, since it is larger than the sum of its proper divisors (7804525).

54021107 is a wasteful number, since it uses less digits than its factorization.

54021107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10909.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 54021107 is about 7349.9052374844. The cubic root of 54021107 is about 378.0255551343.

The spelling of 54021107 in words is "fifty-four million, twenty-one thousand, one hundred seven".