55230544 has 20 divisors (see below), whose sum is σ = 111662496. Its totient is φ = 26414432.

The previous prime is 55230541. The next prime is 55230551. The reversal of 55230544 is 44503255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55230541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74674 + ... + 75409.

Almost surely, 2^55230544 is an apocalyptic number.

It is an amenable number.

55230544 is an abundant number, since it is smaller than the sum of its proper divisors (56431952).

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

55230544 is a wasteful number, since it uses less digits than its factorization.

55230544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150114 (or 150108 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 55230544 is about 7431.7255062334. The cubic root of 55230544 is about 380.8258677082.

Adding to 55230544 its reverse (44503255), we get a palindrome (99733799).

The spelling of 55230544 in words is "fifty-five million, two hundred thirty thousand, five hundred forty-four".