55254340 has 24 divisors (see below), whose sum is σ = 116625600. Its totient is φ = 21989088.

The previous prime is 55254323. The next prime is 55254343. The reversal of 55254340 is 4345255.

It is a junction number, because it is equal to n+sod(n) for n = 55254299 and 55254308.

It is not an unprimeable number, because it can be changed into a prime (55254343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2962 + ... + 10921.

It is an arithmetic number, because the mean of its divisors is an integer number (4859400).

Almost surely, 2^55254340 is an apocalyptic number.

It is an amenable number.

55254340 is an abundant number, since it is smaller than the sum of its proper divisors (61371260).

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

55254340 is a wasteful number, since it uses less digits than its factorization.

55254340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14091 (or 14089 counting only the distinct ones).

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

The square root of 55254340 is about 7433.3263079190. The cubic root of 55254340 is about 380.8805526134.

Adding to 55254340 its reverse (4345255), we get a palindrome (59599595).

The spelling of 55254340 in words is "fifty-five million, two hundred fifty-four thousand, three hundred forty".