54066387 has 16 divisors (see below), whose sum is σ = 75533312. Its totient is φ = 34356960.

The previous prime is 54066379. The next prime is 54066391. The reversal of 54066387 is 78366045.

It is not a de Polignac number, because 54066387 - 2³ = 54066379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54066347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1893 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (4720832).

Almost surely, 2^54066387 is an apocalyptic number.

54066387 is a deficient number, since it is larger than the sum of its proper divisors (21466925).

54066387 is a wasteful number, since it uses less digits than its factorization.

54066387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8778.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 54066387 is about 7352.9849041053. The cubic root of 54066387 is about 378.1311448310.

The spelling of 54066387 in words is "fifty-four million, sixty-six thousand, three hundred eighty-seven".