53204215553544 has 256 divisors, whose sum is σ = 150501369600000. Its totient is φ = 15525575331840.

The previous prime is 53204215553543. The next prime is 53204215553641. The reversal of 53204215553544 is 44535551240235.

It is a junction number, because it is equal to n+sod(n) for n = 53204215553493 and 53204215553502.

It is not an unprimeable number, because it can be changed into a prime (53204215553543) 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, 7973054592 + ... + 7973061264.

It is an arithmetic number, because the mean of its divisors is an integer number (587895975000).

Almost surely, 2^{53204215553544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53204215553544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75250684800000).

53204215553544 is an abundant number, since it is smaller than the sum of its proper divisors (97297154046456).

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

53204215553544 is a wasteful number, since it uses less digits than its factorization.

53204215553544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308 (or 9304 counting only the distinct ones).

The product of its (nonzero) digits is 7200000, while the sum is 48.

Adding to 53204215553544 its reverse (44535551240235), we get a palindrome (97739766793779).

The spelling of 53204215553544 in words is "fifty-three trillion, two hundred four billion, two hundred fifteen million, five hundred fifty-three thousand, five hundred forty-four".