54444040 has 32 divisors (see below), whose sum is σ = 139999680. Its totient is φ = 18666432.

The previous prime is 54443981. The next prime is 54444041. The reversal of 54444040 is 4044445.

It is a junction number, because it is equal to n+sod(n) for n = 54443996 and 54444014.

It is not an unprimeable number, because it can be changed into a prime (54444041) 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, 96942 + ... + 97501.

It is an arithmetic number, because the mean of its divisors is an integer number (4374990).

Almost surely, 2^54444040 is an apocalyptic number.

It is an amenable number.

54444040 is an abundant number, since it is smaller than the sum of its proper divisors (85555640).

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

54444040 is a wasteful number, since it uses less digits than its factorization.

54444040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194461 (or 194457 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 54444040 is about 7378.6204672689. The cubic root of 54444040 is about 379.0095165425.

Adding to 54444040 its reverse (4044445), we get a palindrome (58488485).

The spelling of 54444040 in words is "fifty-four million, four hundred forty-four thousand, forty".