55804782624 has 96 divisors (see below), whose sum is σ = 155709158976. Its totient is φ = 17439129600.

The previous prime is 55804782571. The next prime is 55804782661. The reversal of 55804782624 is 42628740855.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×55804782624² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352899 + ... + 485949.

It is an arithmetic number, because the mean of its divisors is an integer number (1621970406).

Almost surely, 2^55804782624 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 55804782624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77854579488).

55804782624 is an abundant number, since it is smaller than the sum of its proper divisors (99904376352).

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

55804782624 is a wasteful number, since it uses less digits than its factorization.

55804782624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133338 (or 133330 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 51.

The spelling of 55804782624 in words is "fifty-five billion, eight hundred four million, seven hundred eighty-two thousand, six hundred twenty-four".