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53755047 = 3219314357
BaseRepresentation
bin1100110100001…
…1110010100111
310202011001001200
43031003302213
5102230130142
65200053543
71221624153
oct315036247
9122131050
1053755047
1128385a65
12160042b3
13b1a1628
1471d4063
154abc64c
hex3343ca7

53755047 has 12 divisors (see below), whose sum is σ = 81733080. Its totient is φ = 33950448.

The previous prime is 53755027. The next prime is 53755049. The reversal of 53755047 is 74055735.

It is not a de Polignac number, because 53755047 - 26 = 53754983 is a prime.

It is a super-3 number, since 3×537550473 (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53755049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 157008 + ... + 157349.

It is an arithmetic number, because the mean of its divisors is an integer number (6811090).

Almost surely, 253755047 is an apocalyptic number.

53755047 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

53755047 is a deficient number, since it is larger than the sum of its proper divisors (27978033).

53755047 is a wasteful number, since it uses less digits than its factorization.

53755047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314382 (or 314379 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 36.

The square root of 53755047 is about 7331.7833437711. The cubic root of 53755047 is about 377.4039274254.

The spelling of 53755047 in words is "fifty-three million, seven hundred fifty-five thousand, forty-seven".

Divisors: 1 3 9 19 57 171 314357 943071 2829213 5972783 17918349 53755047