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53551012224 = 273139455761
BaseRepresentation
bin110001110111111000…
…111001100110000000
312010020001200021122010
4301313320321212000
51334133024342344
640333452012520
73604021044033
oct616770714600
9163201607563
1053551012224
11207901720a6
12a466161140
13508565a3a8
1428401ab01a
1515d64cb8b9
hexc77e39980

53551012224 has 32 divisors (see below), whose sum is σ = 142244877240. Its totient is φ = 17850337280.

The previous prime is 53551012223. The next prime is 53551012253. The reversal of 53551012224 is 42221015535.

53551012224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 53551012191 and 53551012200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53551012223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69727497 + ... + 69728264.

Almost surely, 253551012224 is an apocalyptic number.

It is an amenable number.

53551012224 is an abundant number, since it is smaller than the sum of its proper divisors (88693865016).

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

53551012224 is a wasteful number, since it uses less digits than its factorization.

53551012224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139455778 (or 139455766 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 53551012224 its reverse (42221015535), we get a palindrome (95772027759).

The spelling of 53551012224 in words is "fifty-three billion, five hundred fifty-one million, twelve thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 139455761 278911522 418367283 557823044 836734566 1115646088 1673469132 2231292176 3346938264 4462584352 6693876528 8925168704 13387753056 17850337408 26775506112 53551012224