55301340 has 48 divisors (see below), whose sum is σ = 163955232. Its totient is φ = 13879296.

The previous prime is 55301327. The next prime is 55301341. The reversal of 55301340 is 4310355.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55301341) 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, 26089 + ... + 28128.

It is an arithmetic number, because the mean of its divisors is an integer number (3415734).

Almost surely, 2^55301340 is an apocalyptic number.

It is an amenable number.

55301340 is an abundant number, since it is smaller than the sum of its proper divisors (108653892).

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

55301340 is a wasteful number, since it uses less digits than its factorization.

55301340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54246 (or 54244 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 55301340 is about 7436.4870738811. The cubic root of 55301340 is about 380.9885158531.

Adding to 55301340 its reverse (4310355), we get a palindrome (59611695).

The spelling of 55301340 in words is "fifty-five million, three hundred one thousand, three hundred forty".