54072170 has 16 divisors (see below), whose sum is σ = 99961128. Its totient is φ = 21044160.

The previous prime is 54072163. The next prime is 54072173. The reversal of 54072170 is 7127045.

54072170 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 54037201 + 34969 = 7351^2 + 187^2 .

It is not an unprimeable number, because it can be changed into a prime (54072173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72701 + ... + 73440.

Almost surely, 2^54072170 is an apocalyptic number.

54072170 is a deficient number, since it is larger than the sum of its proper divisors (45888958).

54072170 is a wasteful number, since it uses less digits than its factorization.

54072170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146185.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 54072170 is about 7353.3781352519. The cubic root of 54072170 is about 378.1446261243.

The spelling of 54072170 in words is "fifty-four million, seventy-two thousand, one hundred seventy".