55174236480 has 896 divisors, whose sum is σ = 223505694720. Its totient is φ = 12690432000.

The previous prime is 55174236451. The next prime is 55174236499. The reversal of 55174236480 is 8463247155.

55174236480 is a `hidden beast` number, since 551 + 74 + 23 + 6 + 4 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 179720487 + ... + 179720793.

It is an arithmetic number, because the mean of its divisors is an integer number (249448320).

Almost surely, 2^55174236480 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 55174236480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111752847360).

55174236480 is an abundant number, since it is smaller than the sum of its proper divisors (168331458240).

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

55174236480 is a wasteful number, since it uses less digits than its factorization.

55174236480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 55174236480 in words is "fifty-five billion, one hundred seventy-four million, two hundred thirty-six thousand, four hundred eighty".