54253440 has 96 divisors (see below), whose sum is σ = 187363800. Its totient is φ = 14466048.

The previous prime is 54253439. The next prime is 54253453. The reversal of 54253440 is 4435245.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1051 + ... + 10469.

Almost surely, 2^54253440 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 54253440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93681900).

54253440 is an abundant number, since it is smaller than the sum of its proper divisors (133110360).

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

54253440 is a wasteful number, since it uses less digits than its factorization.

54253440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9444 (or 9429 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 54253440 is about 7365.6934500426. The cubic root of 54253440 is about 378.5667152272.

Adding to 54253440 its reverse (4435245), we get a palindrome (58688685).

The spelling of 54253440 in words is "fifty-four million, two hundred fifty-three thousand, four hundred forty".