54409994 has 8 divisors (see below), whose sum is σ = 81697248. Its totient is φ = 27177580.

The previous prime is 54409969. The next prime is 54409997. The reversal of 54409994 is 49990445.

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

It is not an unprimeable number, because it can be changed into a prime (54409997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11132 + ... + 15255.

It is an arithmetic number, because the mean of its divisors is an integer number (10212156).

Almost surely, 2^54409994 is an apocalyptic number.

54409994 is a deficient number, since it is larger than the sum of its proper divisors (27287254).

54409994 is a wasteful number, since it uses less digits than its factorization.

54409994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27420.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 54409994 is about 7376.3130356568. The cubic root of 54409994 is about 378.9304968819.

The spelling of 54409994 in words is "fifty-four million, four hundred nine thousand, nine hundred ninety-four".