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53992855 = 572317109
BaseRepresentation
bin1100110111110…
…1110110010111
310202121010021101
43031331312113
5102310232410
65205130531
71223634400
oct315756627
9122533241
1053992855
11285286a4
12160b9a47
13b255947
1472569a7
154b17d3a
hex337dd97

53992855 has 24 divisors (see below), whose sum is σ = 77811840. Its totient is φ = 35824320.

The previous prime is 53992831. The next prime is 53992871. The reversal of 53992855 is 55829935.

It is not a de Polignac number, because 53992855 - 27 = 53992727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4041 + ... + 11149.

It is an arithmetic number, because the mean of its divisors is an integer number (3242160).

Almost surely, 253992855 is an apocalyptic number.

53992855 is a deficient number, since it is larger than the sum of its proper divisors (23818985).

53992855 is a wasteful number, since it uses less digits than its factorization.

53992855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7159 (or 7152 counting only the distinct ones).

The product of its digits is 486000, while the sum is 46.

The square root of 53992855 is about 7347.9830565945. The cubic root of 53992855 is about 377.9596436111.

The spelling of 53992855 in words is "fifty-three million, nine hundred ninety-two thousand, eight hundred fifty-five".

Divisors: 1 5 7 31 35 49 155 217 245 1085 1519 7109 7595 35545 49763 220379 248815 348341 1101895 1542653 1741705 7713265 10798571 53992855