54158434 has 16 divisors (see below), whose sum is σ = 89159616. Its totient is φ = 24468400.

The previous prime is 54158411. The next prime is 54158437. The reversal of 54158434 is 43485145.

It is a self number, because there is not a number n which added to its sum of digits gives 54158434.

It is not an unprimeable number, because it can be changed into a prime (54158437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3697 + ... + 11044.

It is an arithmetic number, because the mean of its divisors is an integer number (5572476).

Almost surely, 2^54158434 is an apocalyptic number.

54158434 is a deficient number, since it is larger than the sum of its proper divisors (35001182).

54158434 is a wasteful number, since it uses less digits than its factorization.

54158434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14921.

The product of its digits is 38400, while the sum is 34.

The square root of 54158434 is about 7359.2414011228. The cubic root of 54158434 is about 378.3456102071.

Subtracting from 54158434 its reverse (43485145), we obtain a square (10673289 = 3267²).

The spelling of 54158434 in words is "fifty-four million, one hundred fifty-eight thousand, four hundred thirty-four".