54478554 has 32 divisors (see below), whose sum is σ = 118495104. Its totient is φ = 16597440.

The previous prime is 54478553. The next prime is 54478607. The reversal of 54478554 is 45587445.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54478553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4644 + ... + 11424.

It is an arithmetic number, because the mean of its divisors is an integer number (3702972).

Almost surely, 2^54478554 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54478554, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59247552).

54478554 is an abundant number, since it is smaller than the sum of its proper divisors (64016550).

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

54478554 is a wasteful number, since it uses less digits than its factorization.

54478554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6902.

The product of its digits is 448000, while the sum is 42.

The square root of 54478554 is about 7380.9588807959. The cubic root of 54478554 is about 379.0895887979.

The spelling of 54478554 in words is "fifty-four million, four hundred seventy-eight thousand, five hundred fifty-four".