54172994 has 4 divisors (see below), whose sum is σ = 81259494. Its totient is φ = 27086496.

The previous prime is 54172969. The next prime is 54172997. The reversal of 54172994 is 49927145.

54172994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49927145 = 5 ⋅9985429.

It can be written as a sum of positive squares in only one way, i.e., 39250225 + 14922769 = 6265^2 + 3863^2 .

It is not an unprimeable number, because it can be changed into a prime (54172997) 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 as a sum of consecutive naturals, namely, 13543247 + ... + 13543250.

Almost surely, 2^54172994 is an apocalyptic number.

54172994 is a deficient number, since it is larger than the sum of its proper divisors (27086500).

54172994 is a wasteful number, since it uses less digits than its factorization.

54172994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27086499.

The product of its digits is 90720, while the sum is 41.

The square root of 54172994 is about 7360.2305670407. The cubic root of 54172994 is about 378.3795120890.

The spelling of 54172994 in words is "fifty-four million, one hundred seventy-two thousand, nine hundred ninety-four".