54781670 has 8 divisors (see below), whose sum is σ = 98607024. Its totient is φ = 21912664.

The previous prime is 54781669. The next prime is 54781687. The reversal of 54781670 is 7618745.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2739074 + ... + 2739093.

It is an arithmetic number, because the mean of its divisors is an integer number (12325878).

Almost surely, 2^54781670 is an apocalyptic number.

54781670 is a deficient number, since it is larger than the sum of its proper divisors (43825354).

54781670 is a wasteful number, since it uses less digits than its factorization.

54781670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5478174.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 54781670 is about 7401.4640443631. The cubic root of 54781670 is about 379.7913674693.

The spelling of 54781670 in words is "fifty-four million, seven hundred eighty-one thousand, six hundred seventy".