53553500000000 has 1440 divisors, whose sum is σ = 181085606456832. Its totient is φ = 15264000000000.

The previous prime is 53553499999981. The next prime is 53553500000003. The reversal of 53553500000000 is 535535.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53553500000003) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 500499999947 + ... + 500500000053.

Almost surely, 2^{53553500000000} is an apocalyptic number.

53553500000000 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 53553500000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90542803228416).

53553500000000 is an abundant number, since it is smaller than the sum of its proper divisors (127532106456832).

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

53553500000000 is an frugal number, since it uses more digits than its factorization.

53553500000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 5625, while the sum is 26.

Adding to 53553500000000 its reverse (535535), we get a palindrome (53553500535535).

53553500000000 divided by its reverse (535535) gives a 8-th power (100000000 = 10⁸).

It can be divided in two parts, 535 and 53500000000, that multiplied together give a square (28622500000000 = 5350000²).

The spelling of 53553500000000 in words is "fifty-three trillion, five hundred fifty-three billion, five hundred million", and thus it is an aban number.