55354340 has 12 divisors (see below), whose sum is σ = 116244156. Its totient is φ = 22141728.

The previous prime is 55354339. The next prime is 55354349. The reversal of 55354340 is 4345355.

55354340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 22429696 + 32924644 = 4736^2 + 5738^2 .

It is not an unprimeable number, because it can be changed into a prime (55354349) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1383839 + ... + 1383878.

It is an arithmetic number, because the mean of its divisors is an integer number (9687013).

Almost surely, 2^55354340 is an apocalyptic number.

It is an amenable number.

55354340 is an abundant number, since it is smaller than the sum of its proper divisors (60889816).

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

55354340 is a wasteful number, since it uses less digits than its factorization.

55354340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767726 (or 2767724 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 55354340 is about 7440.0497310166. The cubic root of 55354340 is about 381.1101882760.

Adding to 55354340 its reverse (4345355), we get a palindrome (59699695).

The spelling of 55354340 in words is "fifty-five million, three hundred fifty-four thousand, three hundred forty".