54033440 has 48 divisors (see below), whose sum is σ = 133213248. Its totient is φ = 20672256.

The previous prime is 54033407. The next prime is 54033443. The reversal of 54033440 is 4433045.

It is a happy number.

It is a super-2 number, since 2×54033440² = 5839225276467200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (54033443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3662 + ... + 11021.

It is an arithmetic number, because the mean of its divisors is an integer number (2775276).

Almost surely, 2^54033440 is an apocalyptic number.

It is an amenable number.

54033440 is an abundant number, since it is smaller than the sum of its proper divisors (79179808).

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

54033440 is a wasteful number, since it uses less digits than its factorization.

54033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14721 (or 14713 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 54033440 is about 7350.7441800133. The cubic root of 54033440 is about 378.0543206464.

Adding to 54033440 its reverse (4433045), we get a palindrome (58466485).

The spelling of 54033440 in words is "fifty-four million, thirty-three thousand, four hundred forty".