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55730367 = 32711137587
BaseRepresentation
bin1101010010011…
…0000010111111
310212212101200200
43110212002333
5103231332432
65310254543
71244462130
oct324460277
9125771620
1055730367
1129505060
12167b7453
13b713764
147589c87
154d5ca7c
hex35260bf

55730367 has 48 divisors (see below), whose sum is σ = 101267712. Its totient is φ = 28690560.

The previous prime is 55730359. The next prime is 55730371. The reversal of 55730367 is 76303755.

It is not a de Polignac number, because 55730367 - 23 = 55730359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55730327) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94648 + ... + 95234.

It is an arithmetic number, because the mean of its divisors is an integer number (2109744).

Almost surely, 255730367 is an apocalyptic number.

55730367 is a deficient number, since it is larger than the sum of its proper divisors (45537345).

55730367 is a wasteful number, since it uses less digits than its factorization.

55730367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

The square root of 55730367 is about 7465.2774228424. The cubic root of 55730367 is about 381.9712134407.

Adding to 55730367 its sum of digits (36), we get a triangular number (55730403 = T10557).

The spelling of 55730367 in words is "fifty-five million, seven hundred thirty thousand, three hundred sixty-seven".

Divisors: 1 3 7 9 11 21 33 63 77 99 137 231 411 587 693 959 1233 1507 1761 2877 4109 4521 5283 6457 8631 10549 12327 13563 19371 31647 36981 45199 58113 80419 94941 135597 241257 406791 562933 723771 884609 1688799 2653827 5066397 6192263 7961481 18576789 55730367