55003026340 has 24 divisors (see below), whose sum is σ = 115577679672. Its totient is φ = 21987624960.

The previous prime is 55003026317. The next prime is 55003026371. The reversal of 55003026340 is 4362030055.

It can be written as a sum of positive squares in 4 ways, for example, as 2142578944 + 52860447396 = 46288^2 + 229914^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55003026299 and 55003026308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 815869 + ... + 880708.

It is an arithmetic number, because the mean of its divisors is an integer number (4815736653).

Almost surely, 2^55003026340 is an apocalyptic number.

It is an amenable number.

55003026340 is an abundant number, since it is smaller than the sum of its proper divisors (60574653332).

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

55003026340 is a wasteful number, since it uses less digits than its factorization.

55003026340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698207 (or 1698205 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

Adding to 55003026340 its reverse (4362030055), we get a palindrome (59365056395).

The spelling of 55003026340 in words is "fifty-five billion, three million, twenty-six thousand, three hundred forty".