54474440 has 64 divisors (see below), whose sum is σ = 127733760. Its totient is φ = 20885760.

The previous prime is 54474439. The next prime is 54474479. The reversal of 54474440 is 4447445.

It is a super-2 number, since 2×54474440² = 5934929226627200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54474397 and 54474406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244169 + ... + 244391.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^54474440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54474440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63866880).

54474440 is an abundant number, since it is smaller than the sum of its proper divisors (73259320).

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

54474440 is a wasteful number, since it uses less digits than its factorization.

54474440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 32.

The square root of 54474440 is about 7380.6801854572. The cubic root of 54474440 is about 379.0800461203.

The spelling of 54474440 in words is "fifty-four million, four hundred seventy-four thousand, four hundred forty".