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55693929 = 323397937
BaseRepresentation
bin1101010001110…
…1001001101001
310212210112201010
43110131021221
5103224201204
65305414133
71244250654
oct324351151
9125715633
1055693929
112948a745
121679a349
13b6cccb5
14757a89b
154d51d89
hex351d269

55693929 has 8 divisors (see below), whose sum is σ = 74299680. Its totient is φ = 37108736.

The previous prime is 55693927. The next prime is 55693943. The reversal of 55693929 is 92939655.

55693929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55693929 - 21 = 55693927 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55693927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3049 + ... + 10985.

It is an arithmetic number, because the mean of its divisors is an integer number (9287460).

Almost surely, 255693929 is an apocalyptic number.

It is an amenable number.

55693929 is a deficient number, since it is larger than the sum of its proper divisors (18605751).

55693929 is a wasteful number, since it uses less digits than its factorization.

55693929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10279.

The product of its digits is 656100, while the sum is 48.

The square root of 55693929 is about 7462.8365250754. The cubic root of 55693929 is about 381.8879476361.

The spelling of 55693929 in words is "fifty-five million, six hundred ninety-three thousand, nine hundred twenty-nine".

Divisors: 1 3 2339 7017 7937 23811 18564643 55693929