55040722424 has 16 divisors (see below), whose sum is σ = 107688370320. Its totient is φ = 26323823680.

The previous prime is 55040722411. The next prime is 55040722439. The reversal of 55040722424 is 42422704055.

It is a super-2 number, since 2×55040722424² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 149566997 + ... + 149567364.

It is an arithmetic number, because the mean of its divisors is an integer number (6730523145).

Almost surely, 2^55040722424 is an apocalyptic number.

It is an amenable number.

55040722424 is a deficient number, since it is larger than the sum of its proper divisors (52647647896).

55040722424 is a wasteful number, since it uses less digits than its factorization.

55040722424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299134390 (or 299134386 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The spelling of 55040722424 in words is "fifty-five billion, forty million, seven hundred twenty-two thousand, four hundred twenty-four".