54333240 has 128 divisors (see below), whose sum is σ = 181742400. Its totient is φ = 12902400.

The previous prime is 54333239. The next prime is 54333259. The reversal of 54333240 is 4233345.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54333240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44640 + ... + 45840.

Almost surely, 2^54333240 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 54333240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90871200).

54333240 is an abundant number, since it is smaller than the sum of its proper divisors (127409160).

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

54333240 is a wasteful number, since it uses less digits than its factorization.

54333240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1257 (or 1253 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 24.

The square root of 54333240 is about 7371.1084648104. The cubic root of 54333240 is about 378.7522323388.

Adding to 54333240 its reverse (4233345), we get a palindrome (58566585).

The spelling of 54333240 in words is "fifty-four million, three hundred thirty-three thousand, two hundred forty".