54201985 has 8 divisors (see below), whose sum is σ = 65085696. Its totient is φ = 43332720.

The previous prime is 54201947. The next prime is 54201997. The reversal of 54201985 is 58910245.

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

It is not a de Polignac number, because 54201985 - 2⁹ = 54201473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54201985.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8112 + ... + 13198.

It is an arithmetic number, because the mean of its divisors is an integer number (8135712).

Almost surely, 2^54201985 is an apocalyptic number.

It is an amenable number.

54201985 is a deficient number, since it is larger than the sum of its proper divisors (10883711).

54201985 is a wasteful number, since it uses less digits than its factorization.

54201985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7223.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 54201985 is about 7362.1997392084. The cubic root of 54201985 is about 378.4469974010.

The spelling of 54201985 in words is "fifty-four million, two hundred one thousand, nine hundred eighty-five".