55233740 has 48 divisors (see below), whose sum is σ = 119133504. Its totient is φ = 21504000.

The previous prime is 55233733. The next prime is 55233751. The reversal of 55233740 is 4733255.

55233740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a plaindrome in base 16.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137540 + ... + 137940.

It is an arithmetic number, because the mean of its divisors is an integer number (2481948).

Almost surely, 2^55233740 is an apocalyptic number.

It is an amenable number.

55233740 is an abundant number, since it is smaller than the sum of its proper divisors (63899764).

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

55233740 is a wasteful number, since it uses less digits than its factorization.

55233740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 29.

The square root of 55233740 is about 7431.9405272109. The cubic root of 55233740 is about 380.8332132572.

Adding to 55233740 its reverse (4733255), we get a palindrome (59966995).

The spelling of 55233740 in words is "fifty-five million, two hundred thirty-three thousand, seven hundred forty".