53552550000 has 240 divisors, whose sum is σ = 183099468384. Its totient is φ = 13440000000.

The previous prime is 53552549989. The next prime is 53552550011. The reversal of 53552550000 is 5525535.

It is an interprime number because it is at equal distance from previous prime (53552549989) and next prime (53552550011).

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×53552550000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a self number, because there is not a number n which added to its sum of digits gives 53552550000.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2539500 + ... + 2560500.

Almost surely, 2^53552550000 is an apocalyptic number.

53552550000 is a gapful number since it is divisible by the number (50) 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 53552550000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91549734192).

53552550000 is an abundant number, since it is smaller than the sum of its proper divisors (129546918384).

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

53552550000 is a wasteful number, since it uses less digits than its factorization.

53552550000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21054 (or 21028 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 30.

The spelling of 53552550000 in words is "fifty-three billion, five hundred fifty-two million, five hundred fifty thousand".