55269170424 has 256 divisors, whose sum is σ = 175575859200. Its totient is φ = 15958480896.

The previous prime is 55269170423. The next prime is 55269170443. The reversal of 55269170424 is 42407196255.

55269170424 is a `hidden beast` number, since 5 + 52 + 6 + 9 + 170 + 424 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 55269170424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55269170423) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18281377 + ... + 18284399.

It is an arithmetic number, because the mean of its divisors is an integer number (685843200).

Almost surely, 2^55269170424 is an apocalyptic number.

55269170424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55269170424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87787929600).

55269170424 is an abundant number, since it is smaller than the sum of its proper divisors (120306688776).

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

55269170424 is a wasteful number, since it uses less digits than its factorization.

55269170424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3441 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 55269170424 in words is "fifty-five billion, two hundred sixty-nine million, one hundred seventy thousand, four hundred twenty-four".