55603140554 has 12 divisors (see below), whose sum is σ = 90313977366. Its totient is φ = 25662987792.

The previous prime is 55603140553. The next prime is 55603140559. The reversal of 55603140554 is 45504130655.

It can be written as a sum of positive squares in 3 ways, for example, as 46111120225 + 9492020329 = 214735^2 + 97427^2 .

It is not an unprimeable number, because it can be changed into a prime (55603140553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82252829 + ... + 82253504.

Almost surely, 2^55603140554 is an apocalyptic number.

55603140554 is a deficient number, since it is larger than the sum of its proper divisors (34710836812).

55603140554 is a wasteful number, since it uses less digits than its factorization.

55603140554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164506361 (or 164506348 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 55603140554 in words is "fifty-five billion, six hundred three million, one hundred forty thousand, five hundred fifty-four".