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53538488 = 2331593659
BaseRepresentation
bin1100110000111…
…0111010111000
310201202000222222
43030032322320
5102201212423
65151303212
71220032613
oct314167270
9121660888
1053538488
1128248293
1215b1ab08
13b126ba3
14717917a
154a783c8
hex330eeb8

53538488 has 32 divisors (see below), whose sum is σ = 105408000. Its totient is φ = 25459680.

The previous prime is 53538479. The next prime is 53538539. The reversal of 53538488 is 88483535.

It is a Cunningham number, because it is equal to 73172-1.

It is a super-2 number, since 2×535384882 = 5732739394652288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12803 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (3294000).

Almost surely, 253538488 is an apocalyptic number.

It is an amenable number.

53538488 is a deficient number, since it is larger than the sum of its proper divisors (51869512).

53538488 is a wasteful number, since it uses less digits than its factorization.

53538488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755 (or 3751 counting only the distinct ones).

The product of its digits is 460800, while the sum is 44.

The square root of 53538488 is about 7316.9999316660. Note that the first 4 decimals coincide. The cubic root of 53538488 is about 376.8964388484.

The spelling of 53538488 in words is "fifty-three million, five hundred thirty-eight thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 31 59 62 118 124 236 248 472 1829 3658 3659 7316 7318 14632 14636 29272 113429 215881 226858 431762 453716 863524 907432 1727048 6692311 13384622 26769244 53538488