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53056512 = 2103319101
BaseRepresentation
bin1100101001100…
…1010000000000
310200211112212000
43022121100000
5102040302022
65133104000
71212654465
oct312312000
9120745760
1053056512
1127a49163
1215928000
13acb86b2
14709166c
1549d06ac
hex3299400

53056512 has 176 divisors, whose sum is σ = 167035200. Its totient is φ = 16588800.

The previous prime is 53056511. The next prime is 53056537. The reversal of 53056512 is 21565035.

53056512 is a `hidden beast` number, since 5 + 3 + 0 + 5 + 651 + 2 = 666.

It is a super-2 number, since 2×530565122 = 5629986931212288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53056511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525262 + ... + 525362.

Almost surely, 253056512 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 53056512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83517600).

53056512 is an abundant number, since it is smaller than the sum of its proper divisors (113978688).

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

53056512 is a wasteful number, since it uses less digits than its factorization.

53056512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53056512 is about 7283.9901153145. The cubic root of 53056512 is about 375.7620344272.

It can be divided in two parts, 5305651 and 2, that added together give a triangular number (5305653 = T3257).

The spelling of 53056512 in words is "fifty-three million, fifty-six thousand, five hundred twelve".