54166785 has 8 divisors (see below), whose sum is σ = 86666880. Its totient is φ = 28888944.

The previous prime is 54166769. The next prime is 54166789. The reversal of 54166785 is 58766145.

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

It is not a de Polignac number, because 54166785 - 2⁴ = 54166769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54166789) 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, 1805545 + ... + 1805574.

It is an arithmetic number, because the mean of its divisors is an integer number (10833360).

Almost surely, 2^54166785 is an apocalyptic number.

It is an amenable number.

54166785 is a deficient number, since it is larger than the sum of its proper divisors (32500095).

54166785 is a wasteful number, since it uses less digits than its factorization.

54166785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611127.

The product of its digits is 201600, while the sum is 42.

The square root of 54166785 is about 7359.8087611024. The cubic root of 54166785 is about 378.3650556352.

The spelling of 54166785 in words is "fifty-four million, one hundred sixty-six thousand, seven hundred eighty-five".