55254320 has 80 divisors (see below), whose sum is σ = 144017568. Its totient is φ = 19537920.

The previous prime is 55254317. The next prime is 55254323. The reversal of 55254320 is 2345255.

It is an interprime number because it is at equal distance from previous prime (55254317) and next prime (55254323).

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 55254320.

It is not an unprimeable number, because it can be changed into a prime (55254323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31712 + ... + 33408.

Almost surely, 2^55254320 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 55254320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72008784).

55254320 is an abundant number, since it is smaller than the sum of its proper divisors (88763248).

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

55254320 is a wasteful number, since it uses less digits than its factorization.

55254320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 55254320 is about 7433.3249626261. The cubic root of 55254320 is about 380.8805066586.

Adding to 55254320 its reverse (2345255), we get a palindrome (57599575).

It can be divided in two parts, 552 and 54320, that added together give a cube (54872 = 38³).

The spelling of 55254320 in words is "fifty-five million, two hundred fifty-four thousand, three hundred twenty".