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53953825 = 5219971171
BaseRepresentation
bin1100110111010…
…0010100100001
310202112010201211
43031310110201
5102303010300
65204230121
71223412532
oct315642441
9122463654
1053953825
1128501342
121609b341
13b240c53
147246689
154b0b4ba
hex3374521

53953825 has 24 divisors (see below), whose sum is σ = 71210720. Its totient is φ = 40435200.

The previous prime is 53953819. The next prime is 53953843. The reversal of 53953825 is 52835935.

It is not a de Polignac number, because 53953825 - 23 = 53953817 is a prime.

It is a super-2 number, since 2×539538252 = 5822030464261250, which contains 22 as substring.

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, 45490 + ... + 46660.

Almost surely, 253953825 is an apocalyptic number.

It is an amenable number.

53953825 is a deficient number, since it is larger than the sum of its proper divisors (17256895).

53953825 is a wasteful number, since it uses less digits than its factorization.

53953825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297 (or 1292 counting only the distinct ones).

The product of its digits is 162000, while the sum is 40.

The square root of 53953825 is about 7345.3267456254. The cubic root of 53953825 is about 377.8685493304.

The spelling of 53953825 in words is "fifty-three million, nine hundred fifty-three thousand, eight hundred twenty-five".

Divisors: 1 5 19 25 95 97 475 485 1171 1843 2425 5855 9215 22249 29275 46075 111245 113587 556225 567935 2158153 2839675 10790765 53953825