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55067929 = 77866847
BaseRepresentation
bin1101001000010…
…0010100011001
310211121201222221
43102010110121
5103044133204
65244144041
71236032620
oct322042431
9124551887
1055067929
11290a2394
1216538021
13b541097
1474566b7
154c7b654
hex3484519

55067929 has 4 divisors (see below), whose sum is σ = 62934784. Its totient is φ = 47201076.

The previous prime is 55067921. The next prime is 55067939. The reversal of 55067929 is 92976055.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55067929 - 23 = 55067921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55067921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3933417 + ... + 3933430.

It is an arithmetic number, because the mean of its divisors is an integer number (15733696).

Almost surely, 255067929 is an apocalyptic number.

It is an amenable number.

55067929 is a deficient number, since it is larger than the sum of its proper divisors (7866855).

55067929 is an equidigital number, since it uses as much as digits as its factorization.

55067929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7866854.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 55067929 is about 7420.7768461260. The cubic root of 55067929 is about 380.4517457599.

The spelling of 55067929 in words is "fifty-five million, sixty-seven thousand, nine hundred twenty-nine".

Divisors: 1 7 7866847 55067929