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53216953344 = 21038892
BaseRepresentation
bin110001100011111110…
…100100010000000000
312002100210002100000000
4301203332210100000
51332442020001334
640240400000000
73562523432322
oct614376442000
9162323070000
1053216953344
1120629645785
12a392300000
135031396009
14280ba8d612
1515b6ee1299
hexc63fa4400

53216953344 has 297 divisors, whose sum is σ = 161377805797. Its totient is φ = 17539670016.

The previous prime is 53216953333. The next prime is 53216953423. The reversal of 53216953344 is 44335961235.

The square root of 53216953344 is 230688.

It is a perfect power (a square), and thus also a powerful number.

53216953344 is a `hidden beast` number, since 5 + 3 + 216 + 95 + 3 + 344 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10218783744 + 42998169600 = 101088^2 + 207360^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53216953344.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 597943252 + ... + 597943340.

Almost surely, 253216953344 is an apocalyptic number.

53216953344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

53216953344 is the 230688-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53216953344

53216953344 is an abundant number, since it is smaller than the sum of its proper divisors (108160852453).

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

53216953344 is an frugal number, since it uses more digits than its factorization.

53216953344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 94 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 53216953344 in words is "fifty-three billion, two hundred sixteen million, nine hundred fifty-three thousand, three hundred forty-four".