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53668884 = 22323918713
BaseRepresentation
bin1100110010111…
…0110000010100
310201222122212110
43030232300110
5102214401014
65154151020
71221115023
oct314566024
9121878773
1053668884
1128327255
1215b82470
13b171349
1471b08ba
154aa1d59
hex332ec14

53668884 has 24 divisors (see below), whose sum is σ = 125758080. Its totient is φ = 17813824.

The previous prime is 53668883. The next prime is 53668897. The reversal of 53668884 is 48886635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53668883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6489 + ... + 12224.

It is an arithmetic number, because the mean of its divisors is an integer number (5239920).

Almost surely, 253668884 is an apocalyptic number.

It is an amenable number.

53668884 is an abundant number, since it is smaller than the sum of its proper divisors (72089196).

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

53668884 is a wasteful number, since it uses less digits than its factorization.

53668884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18959 (or 18957 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 48.

The square root of 53668884 is about 7325.9049952890. The cubic root of 53668884 is about 377.2021749313.

The spelling of 53668884 in words is "fifty-three million, six hundred sixty-eight thousand, eight hundred eighty-four".

Divisors: 1 2 3 4 6 12 239 478 717 956 1434 2868 18713 37426 56139 74852 112278 224556 4472407 8944814 13417221 17889628 26834442 53668884