53444602541550 has 192 divisors, whose sum is σ = 144891448925184. Its totient is φ = 12929455372800.

The previous prime is 53444602541527. The next prime is 53444602541599. The reversal of 53444602541550 is 5514520644435.

It is a self number, because there is not a number n which added to its sum of digits gives 53444602541550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1798437292 + ... + 1798467008.

It is an arithmetic number, because the mean of its divisors is an integer number (754642963152).

Almost surely, 2^{53444602541550} is an apocalyptic number.

53444602541550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53444602541550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72445724462592).

53444602541550 is an abundant number, since it is smaller than the sum of its proper divisors (91446846383634).

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

53444602541550 is a wasteful number, since it uses less digits than its factorization.

53444602541550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31963 (or 31958 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 53444602541550 in words is "fifty-three trillion, four hundred forty-four billion, six hundred two million, five hundred forty-one thousand, five hundred fifty".