55554324504 has 256 divisors, whose sum is σ = 172965888000. Its totient is φ = 14510430720.

The previous prime is 55554324493. The next prime is 55554324509. The reversal of 55554324504 is 40542345555.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55554324509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 50366017 + ... + 50367119.

It is an arithmetic number, because the mean of its divisors is an integer number (675648000).

Almost surely, 2^55554324504 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 55554324504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86482944000).

55554324504 is an abundant number, since it is smaller than the sum of its proper divisors (117411563496).

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

55554324504 is a wasteful number, since it uses less digits than its factorization.

55554324504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1674 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 42.

The spelling of 55554324504 in words is "fifty-five billion, five hundred fifty-four million, three hundred twenty-four thousand, five hundred four".