55540022434 has 24 divisors (see below), whose sum is σ = 90232377300. Its totient is φ = 25627912128.

The previous prime is 55540022383. The next prime is 55540022449. The reversal of 55540022434 is 43422004555.

It can be written as a sum of positive squares in 6 ways, for example, as 36881282025 + 18658740409 = 192045^2 + 136597^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55540022434.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1658892 + ... + 1692040.

Almost surely, 2^55540022434 is an apocalyptic number.

55540022434 is a deficient number, since it is larger than the sum of its proper divisors (34692354866).

55540022434 is a wasteful number, since it uses less digits than its factorization.

55540022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38134 (or 38121 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

Adding to 55540022434 its reverse (43422004555), we get a palindrome (98962026989).

The spelling of 55540022434 in words is "fifty-five billion, five hundred forty million, twenty-two thousand, four hundred thirty-four".