54331409 has 8 divisors (see below), whose sum is σ = 59331360. Its totient is φ = 49341600.

The previous prime is 54331369. The next prime is 54331421. The reversal of 54331409 is 90413345.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54331409 - 2¹² = 54327313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54331009) 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, 12662 + ... + 16400.

It is an arithmetic number, because the mean of its divisors is an integer number (7416420).

Almost surely, 2^54331409 is an apocalyptic number.

It is an amenable number.

54331409 is a deficient number, since it is larger than the sum of its proper divisors (4999951).

54331409 is a wasteful number, since it uses less digits than its factorization.

54331409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5071.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 54331409 is about 7370.9842626341. The cubic root of 54331409 is about 378.7479777111.

The spelling of 54331409 in words is "fifty-four million, three hundred thirty-one thousand, four hundred nine".