54020687 has 6 divisors (see below), whose sum is σ = 62840448. Its totient is φ = 46303404.

The previous prime is 54020683. The next prime is 54020689. The reversal of 54020687 is 78602045.

54020687 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54020687 - 2² = 54020683 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 (54020683) 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 5 ways as a sum of consecutive naturals, for example, 551183 + ... + 551280.

It is an arithmetic number, because the mean of its divisors is an integer number (10473408).

Almost surely, 2^54020687 is an apocalyptic number.

54020687 is a deficient number, since it is larger than the sum of its proper divisors (8819761).

54020687 is a wasteful number, since it uses less digits than its factorization.

54020687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102477 (or 1102470 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 54020687 is about 7349.8766656319. The cubic root of 54020687 is about 378.0245754484.

The spelling of 54020687 in words is "fifty-four million, twenty thousand, six hundred eighty-seven".