54431705 has 24 divisors (see below), whose sum is σ = 70143360. Its totient is φ = 40538880.

The previous prime is 54431701. The next prime is 54431719. The reversal of 54431705 is 50713445.

It is not a de Polignac number, because 54431705 - 2² = 54431701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54431701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200720 + ... + 200990.

It is an arithmetic number, because the mean of its divisors is an integer number (2922640).

Almost surely, 2^54431705 is an apocalyptic number.

It is an amenable number.

54431705 is a deficient number, since it is larger than the sum of its proper divisors (15711655).

54431705 is a wasteful number, since it uses less digits than its factorization.

54431705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 54431705 is about 7377.7845590665. The cubic root of 54431705 is about 378.9808912145.

The spelling of 54431705 in words is "fifty-four million, four hundred thirty-one thousand, seven hundred five".