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55671069 = 322781749
BaseRepresentation
bin1101010001011…
…1100100011101
310212202101100110
43110113210131
5103222433234
65305120233
71244124216
oct324274435
9125671313
1055671069
1129474553
1216789079
13b6c277c
14757240d
154d4a1e9
hex351791d

55671069 has 8 divisors (see below), whose sum is σ = 74556000. Its totient is φ = 36950096.

The previous prime is 55671067. The next prime is 55671079. The reversal of 55671069 is 96017655.

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 55671069 - 21 = 55671067 is a prime.

It is a super-2 number, since 2×556710692 = 6198535847205522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55671067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40194 + ... + 41555.

It is an arithmetic number, because the mean of its divisors is an integer number (9319500).

Almost surely, 255671069 is an apocalyptic number.

It is an amenable number.

55671069 is a deficient number, since it is larger than the sum of its proper divisors (18884931).

55671069 is a wasteful number, since it uses less digits than its factorization.

55671069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81979.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 55671069 is about 7461.3047786563. The cubic root of 55671069 is about 381.8356908740.

The spelling of 55671069 in words is "fifty-five million, six hundred seventy-one thousand, sixty-nine".

Divisors: 1 3 227 681 81749 245247 18557023 55671069