54329440 has 48 divisors (see below), whose sum is σ = 140026320. Its totient is φ = 19755520.

The previous prime is 54329419. The next prime is 54329459. The reversal of 54329440 is 4492345.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13675 + ... + 17194.

It is an arithmetic number, because the mean of its divisors is an integer number (2917215).

Almost surely, 2^54329440 is an apocalyptic number.

It is an amenable number.

54329440 is an abundant number, since it is smaller than the sum of its proper divisors (85696880).

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

54329440 is a wasteful number, since it uses less digits than its factorization.

54329440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30895 (or 30887 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 54329440 is about 7370.8506971719. The cubic root of 54329440 is about 378.7434023111.

The spelling of 54329440 in words is "fifty-four million, three hundred twenty-nine thousand, four hundred forty".