55405522330 has 32 divisors (see below), whose sum is σ = 100162999440. Its totient is φ = 22066053120.

The previous prime is 55405522309. The next prime is 55405522349. The reversal of 55405522330 is 3322550455.

It can be written as a sum of positive squares in 8 ways, for example, as 33196475601 + 22209046729 = 182199^2 + 149027^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8891656 + ... + 8897884.

Almost surely, 2^55405522330 is an apocalyptic number.

55405522330 is a deficient number, since it is larger than the sum of its proper divisors (44757477110).

55405522330 is a wasteful number, since it uses less digits than its factorization.

55405522330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9954.

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 55405522330 in words is "fifty-five billion, four hundred five million, five hundred twenty-two thousand, three hundred thirty".