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53222110400 = 2652237918307
BaseRepresentation
bin110001100100010010…
…001111010011000000
312002101010210100011002
4301210102033103000
51332444330013100
640241102311132
73562615321424
oct614422172300
9162333710132
1053222110400
1120631548308
12a393b884a8
135032480424
14280c632b84
1515b76ae2d5
hexc6448f4c0

53222110400 has 168 divisors, whose sum is σ = 138390904320. Its totient is φ = 20104381440.

The previous prime is 53222110399. The next prime is 53222110451. The reversal of 53222110400 is 401122235.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2898047 + ... + 2916353.

Almost surely, 253222110400 is an apocalyptic number.

53222110400 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 53222110400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69195452160).

53222110400 is an abundant number, since it is smaller than the sum of its proper divisors (85168793920).

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

53222110400 is a wasteful number, since it uses less digits than its factorization.

53222110400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18431 (or 18416 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 53222110400 its reverse (401122235), we get a palindrome (53623232635).

The spelling of 53222110400 in words is "fifty-three billion, two hundred twenty-two million, one hundred ten thousand, four hundred".