55802580578 has 8 divisors (see below), whose sum is σ = 83704899072. Its totient is φ = 27900947556.

The previous prime is 55802580571. The next prime is 55802580599. The reversal of 55802580578 is 87508520855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×55802580578³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (55802580571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161351 + ... + 370997.

It is an arithmetic number, because the mean of its divisors is an integer number (10463112384).

Almost surely, 2^55802580578 is an apocalyptic number.

55802580578 is a deficient number, since it is larger than the sum of its proper divisors (27902318494).

55802580578 is a wasteful number, since it uses less digits than its factorization.

55802580578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342736.

The product of its (nonzero) digits is 4480000, while the sum is 53.

The spelling of 55802580578 in words is "fifty-five billion, eight hundred two million, five hundred eighty thousand, five hundred seventy-eight".