54397994 has 64 divisors (see below), whose sum is σ = 104343552. Its totient is φ = 20736000.

The previous prime is 54397991. The next prime is 54398009. The reversal of 54397994 is 49979345.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54397991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 538544 + ... + 538644.

It is an arithmetic number, because the mean of its divisors is an integer number (1630368).

Almost surely, 2^54397994 is an apocalyptic number.

54397994 is a deficient number, since it is larger than the sum of its proper divisors (49945558).

54397994 is a wasteful number, since it uses less digits than its factorization.

54397994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its digits is 1224720, while the sum is 50.

The square root of 54397994 is about 7375.4995762999. The cubic root of 54397994 is about 378.9026374149.

The spelling of 54397994 in words is "fifty-four million, three hundred ninety-seven thousand, nine hundred ninety-four".