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55066701 = 318355567
BaseRepresentation
bin1101001000010…
…0000001001101
310211121200022110
43102010001031
5103044113301
65244134233
71236026214
oct322040115
9124550273
1055066701
11290a1478
1216537379
13b540661
14745607b
154c7b0d6
hex348404d

55066701 has 4 divisors (see below), whose sum is σ = 73422272. Its totient is φ = 36711132.

The previous prime is 55066681. The next prime is 55066709. The reversal of 55066701 is 10766055.

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 not a de Polignac number, because 55066701 - 29 = 55066189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55066709) 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, 9177781 + ... + 9177786.

It is an arithmetic number, because the mean of its divisors is an integer number (18355568).

Almost surely, 255066701 is an apocalyptic number.

It is an amenable number.

55066701 is a deficient number, since it is larger than the sum of its proper divisors (18355571).

55066701 is a wasteful number, since it uses less digits than its factorization.

55066701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355570.

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 55066701 is about 7420.6941050012. The cubic root of 55066701 is about 380.4489177484.

The spelling of 55066701 in words is "fifty-five million, sixty-six thousand, seven hundred one".

Divisors: 1 3 18355567 55066701