54020999 has 4 divisors (see below), whose sum is σ = 55481064. Its totient is φ = 52560936.

The previous prime is 54020977. The next prime is 54021007. The reversal of 54020999 is 99902045.

54020999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54020999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54020969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 729977 + ... + 730050.

It is an arithmetic number, because the mean of its divisors is an integer number (13870266).

Almost surely, 2^54020999 is an apocalyptic number.

54020999 is a deficient number, since it is larger than the sum of its proper divisors (1460065).

54020999 is a wasteful number, since it uses less digits than its factorization.

54020999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460064.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 54020999 is about 7349.8978904472. The cubic root of 54020999 is about 378.0253032155.

The spelling of 54020999 in words is "fifty-four million, twenty thousand, nine hundred ninety-nine".