55552800505 has 8 divisors (see below), whose sum is σ = 66704343552. Its totient is φ = 44414918448.

The previous prime is 55552800497. The next prime is 55552800521. The reversal of 55552800505 is 50500825555.

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

It is a cyclic number.

It is not a de Polignac number, because 55552800505 - 2³ = 55552800497 is a prime.

It is a super-2 number, since 2×55552800505² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3406297 + ... + 3422566.

It is an arithmetic number, because the mean of its divisors is an integer number (8338042944).

Almost surely, 2^55552800505 is an apocalyptic number.

It is an amenable number.

55552800505 is a deficient number, since it is larger than the sum of its proper divisors (11151543047).

55552800505 is a wasteful number, since it uses less digits than its factorization.

55552800505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830495.

The product of its (nonzero) digits is 250000, while the sum is 40.

The spelling of 55552800505 in words is "fifty-five billion, five hundred fifty-two million, eight hundred thousand, five hundred five".