54409914 has 64 divisors (see below), whose sum is σ = 131241600. Its totient is φ = 16609536.

The previous prime is 54409913. The next prime is 54409931. The reversal of 54409914 is 41990445.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54409913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125442 + ... + 125874.

It is an arithmetic number, because the mean of its divisors is an integer number (2050650).

Almost surely, 2^54409914 is an apocalyptic number.

54409914 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 54409914, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65620800).

54409914 is an abundant number, since it is smaller than the sum of its proper divisors (76831686).

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

54409914 is a wasteful number, since it uses less digits than its factorization.

54409914 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636 (or 630 counting only the distinct ones).

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

The square root of 54409914 is about 7376.3076128914. The cubic root of 54409914 is about 378.9303111657.

The spelling of 54409914 in words is "fifty-four million, four hundred nine thousand, nine hundred fourteen".