54158994 has 24 divisors (see below), whose sum is σ = 118761552. Its totient is φ = 17835000.

The previous prime is 54158971. The next prime is 54159011. The reversal of 54158994 is 49985145.

54158994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16632 + ... + 19619.

It is an arithmetic number, because the mean of its divisors is an integer number (4948398).

Almost surely, 2^54158994 is an apocalyptic number.

54158994 is an abundant number, since it is smaller than the sum of its proper divisors (64602558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54158994 is a wasteful number, since it uses less digits than its factorization.

54158994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36342 (or 36339 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 54158994 is about 7359.2794484243. The cubic root of 54158994 is about 378.3469142380.

Subtracting from 54158994 its reverse (49985145), we obtain a square (4173849 = 2043²).

The spelling of 54158994 in words is "fifty-four million, one hundred fifty-eight thousand, nine hundred ninety-four".