55574587536 has 80 divisors (see below), whose sum is σ = 155079032640. Its totient is φ = 17048148480.

The previous prime is 55574587429. The next prime is 55574587547. The reversal of 55574587536 is 63578547555.

It is a super-3 number, since 3×55574587536³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55574587536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72010 + ... + 341078.

It is an arithmetic number, because the mean of its divisors is an integer number (1938487908).

Almost surely, 2^55574587536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55574587536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77539516320).

55574587536 is an abundant number, since it is smaller than the sum of its proper divisors (99504445104).

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

55574587536 is a wasteful number, since it uses less digits than its factorization.

55574587536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269424 (or 269418 counting only the distinct ones).

The product of its digits is 88200000, while the sum is 60.

The spelling of 55574587536 in words is "fifty-five billion, five hundred seventy-four million, five hundred eighty-seven thousand, five hundred thirty-six".