55007505580 has 48 divisors (see below), whose sum is σ = 119323854720. Its totient is φ = 21284529408.

The previous prime is 55007505563. The next prime is 55007505583. The reversal of 55007505580 is 8550570055.

It is a super-3 number, since 3×55007505580³ (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 (55007505583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86820 + ... + 342859.

It is an arithmetic number, because the mean of its divisors is an integer number (2485913640).

Almost surely, 2^55007505580 is an apocalyptic number.

It is an amenable number.

55007505580 is an abundant number, since it is smaller than the sum of its proper divisors (64316349140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55007505580 is a wasteful number, since it uses less digits than its factorization.

55007505580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429898 (or 429896 counting only the distinct ones).

The product of its (nonzero) digits is 175000, while the sum is 40.

The spelling of 55007505580 in words is "fifty-five billion, seven million, five hundred five thousand, five hundred eighty".