54445400 has 24 divisors (see below), whose sum is σ = 126586020. Its totient is φ = 21778080.

The previous prime is 54445399. The next prime is 54445451. The reversal of 54445400 is 454445.

It is a self number, because there is not a number n which added to its sum of digits gives 54445400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135914 + ... + 136313.

Almost surely, 2^54445400 is an apocalyptic number.

54445400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

54445400 is an abundant number, since it is smaller than the sum of its proper divisors (72140620).

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

54445400 is a wasteful number, since it uses less digits than its factorization.

54445400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272243 (or 272234 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 54445400 is about 7378.7126248418. The cubic root of 54445400 is about 379.0126723740.

Adding to 54445400 its reverse (454445), we get a palindrome (54899845).

It can be divided in two parts, 54445 and 400, that added together give a palindrome (54845).

The spelling of 54445400 in words is "fifty-four million, four hundred forty-five thousand, four hundred".