54352240 has 20 divisors (see below), whose sum is σ = 126369144. Its totient is φ = 21740864.

The previous prime is 54352231. The next prime is 54352271. The reversal of 54352240 is 4225345.

It is a tau number, because it is divible by the number of its divisors (20).

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, 339622 + ... + 339781.

Almost surely, 2^54352240 is an apocalyptic number.

It is an amenable number.

54352240 is an abundant number, since it is smaller than the sum of its proper divisors (72016904).

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

54352240 is a wasteful number, since it uses less digits than its factorization.

54352240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 679416 (or 679410 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 54352240 is about 7372.3971678146. The cubic root of 54352240 is about 378.7963763026.

Adding to 54352240 its reverse (4225345), we get a palindrome (58577585).

The spelling of 54352240 in words is "fifty-four million, three hundred fifty-two thousand, two hundred forty".