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57992553 = 3224126737
BaseRepresentation
bin1101110100111…
…0010101101001
311001010022211100
43131032111221
5104321230203
65430552013
71302633333
oct335162551
9131108740
1057992553
112a80a733
1217508609
13c026328
1479b8453
155157ea3
hex374e569

57992553 has 12 divisors (see below), whose sum is σ = 84117748. Its totient is φ = 38499840.

The previous prime is 57992549. The next prime is 57992563. The reversal of 57992553 is 35529975.

57992553 is a `hidden beast` number, since 5 + 7 + 9 + 92 + 553 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41370624 + 16621929 = 6432^2 + 4077^2 .

It is not a de Polignac number, because 57992553 - 22 = 57992549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57992499 and 57992508.

It is not an unprimeable number, because it can be changed into a prime (57992563) 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, 11200 + ... + 15537.

Almost surely, 257992553 is an apocalyptic number.

It is an amenable number.

57992553 is a deficient number, since it is larger than the sum of its proper divisors (26125195).

57992553 is a wasteful number, since it uses less digits than its factorization.

57992553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26984 (or 26981 counting only the distinct ones).

The product of its digits is 425250, while the sum is 45.

The square root of 57992553 is about 7615.2841706663. The cubic root of 57992553 is about 387.0710964466.

The spelling of 57992553 in words is "fifty-seven million, nine hundred ninety-two thousand, five hundred fifty-three".

Divisors: 1 3 9 241 723 2169 26737 80211 240633 6443617 19330851 57992553