53551546502274 has 72 divisors (see below), whose sum is σ = 123355333644660. Its totient is φ = 16786813128192.

The previous prime is 53551546502269. The next prime is 53551546502281. The reversal of 53551546502274 is 47220564515535.

53551546502274 is a `hidden beast` number, since 5 + 3 + 5 + 5 + 1 + 546 + 5 + 0 + 22 + 74 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 49639873440249 + 3911673062025 = 7045557^2 + 1977795^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53551546502274.

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 35 ways as a sum of consecutive naturals, for example, 2205132 + ... + 10581384.

Almost surely, 2^{53551546502274} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53551546502274, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61677666822330).

53551546502274 is an abundant number, since it is smaller than the sum of its proper divisors (69803787142386).

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

53551546502274 is a wasteful number, since it uses less digits than its factorization.

53551546502274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8377524 (or 8377504 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 54.

The spelling of 53551546502274 in words is "fifty-three trillion, five hundred fifty-one billion, five hundred forty-six million, five hundred two thousand, two hundred seventy-four".