54771685 has 8 divisors (see below), whose sum is σ = 67124736. Its totient is φ = 42884880.

The previous prime is 54771667. The next prime is 54771697. The reversal of 54771685 is 58617745.

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

It is not a de Polignac number, because 54771685 - 2⁵ = 54771653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116301 + ... + 116770.

It is an arithmetic number, because the mean of its divisors is an integer number (8390592).

Almost surely, 2^54771685 is an apocalyptic number.

It is an amenable number.

54771685 is a deficient number, since it is larger than the sum of its proper divisors (12353051).

54771685 is a wasteful number, since it uses less digits than its factorization.

54771685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233123.

The product of its digits is 235200, while the sum is 43.

The square root of 54771685 is about 7400.7894849131. The cubic root of 54771685 is about 379.7682913368.

The spelling of 54771685 in words is "fifty-four million, seven hundred seventy-one thousand, six hundred eighty-five".