54429291 has 24 divisors (see below), whose sum is σ = 95138784. Its totient is φ = 29272320.

The previous prime is 54429229. The next prime is 54429299. The reversal of 54429291 is 19292445.

54429291 is a `hidden beast` number, since 544 + 29 + 2 + 91 = 666.

It is not a de Polignac number, because 54429291 - 2⁶ = 54429227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54429299) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24340 + ... + 26481.

It is an arithmetic number, because the mean of its divisors is an integer number (3964116).

Almost surely, 2^54429291 is an apocalyptic number.

54429291 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

54429291 is a deficient number, since it is larger than the sum of its proper divisors (40709493).

54429291 is a wasteful number, since it uses less digits than its factorization.

54429291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50851 (or 50848 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 54429291 is about 7377.6209580054. The cubic root of 54429291 is about 378.9752886379.

The spelling of 54429291 in words is "fifty-four million, four hundred twenty-nine thousand, two hundred ninety-one".