54344440 has 16 divisors (see below), whose sum is σ = 122275080. Its totient is φ = 21737760.

The previous prime is 54344429. The next prime is 54344489. The reversal of 54344440 is 4444345.

It is a junction number, because it is equal to n+sod(n) for n = 54344399 and 54344408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 679266 + ... + 679345.

Almost surely, 2^54344440 is an apocalyptic number.

It is an amenable number.

54344440 is an abundant number, since it is smaller than the sum of its proper divisors (67930640).

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

54344440 is a wasteful number, since it uses less digits than its factorization.

54344440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358622 (or 1358618 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 54344440 is about 7371.8681485767. The cubic root of 54344440 is about 378.7782552888.

Adding to 54344440 its reverse (4444345), we get a palindrome (58788785).

The spelling of 54344440 in words is "fifty-four million, three hundred forty-four thousand, four hundred forty".